All (in this database) Lepidoptera list (Scientific names): Part OM
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- oma Dyar, 1912, see Phytometra obliqualis
- omadius Godman, 1900 (Callimormus), see Callimormus alsimo
- omagua (Pfitzner, 1937) (Pseudophilaenia)
- omagua (Aepytus), see Pseudophilaenia omagua
- omagua Pfitzner in Seitz, 1937 (Philaenia lagopus f.), see Pseudophilaenia omagua
- omaha (Edwards, 1863) (Potanthus)
- omaha Edwards, 1863 (Hesperia), see Potanthus omaha
- omaiensis Nielsen, 1988 (Bipectilus)
- Omalosoma Walker, 1857 (Xyleninae), see Conistra
- omana Wiltshire, 1985 (Clytie)
- omanensis (Wiltshire, 1980) (Victoria)
- omanensis (Boursin, 1970) (Polymixis)
- omanensis (Eremophysa), see Polymixis omanensis
- omanensis Boursin, 1970 (Eremophysa), see Polymixis omanensis
- omanensis Wiltshire, 1980 (Celidomphax), see Victoria omanensis
- omanirana de Freina, 2007 (Creatonotos)
- omaomao Hayes & Sattler, 1980 (Aumakua)
- omar Swinhoe, 1916 (Osmodes)
- omar (Oberthür, 1887) (Metopoceras)
- omar (Metapoceras), see Metopoceras omar
- omar Oberthür, 1887 (Cleophana), see Metopoceras omar
- omarion (Fruhstorfer, 1912) (Phalanta alcippe)
- omarion Fruhstorfer, 1912 (Atella alcippe), see Phalanta alcippe omarion
- ombalata Kheil, 1884 (Neptis hylas)
- ombalata Kheil, 1884 (Neptis), see Neptis hylas ombalata
- ombiranus Rothschild, 1900 (Charaxes latona)
- ombiranus Rothschild, 1898 (Papilio fuscus)
- ombiranus Jordan, 1906 (Argyrolepidia pamphila), see Argyrolepidia pamphila
- ombra Evans, 1955 (Falga jeconia)
- ombraloma (Lower, 1902) (Aenetus)
- ombraloma Lower, 1902 (Hepialus), see Aenetus ombraloma
- ombrea (Druce, 1885) (Eloria)
- ombrea Druce in Godman & Salvin, 1885 (Penora), see Eloria ombrea
- ombria Weymer, 1892 (Acraea), see Acraea caldarena neluska
- ombrophanes Meyrick, 1886 (Anestia)
- ombrophanes (Xanthodule), see Anestia ombrophanes
- ombrophila Hecq, 1981 (Euphaedra)
- omega Esper, 1788 (Phalaena), see Graphiphora augur
- omega Esper, 1796 (Phalaena), see Graphiphora augur
- omega Hübner, 1823 (Argyrogramma), see Argyrogramma verruca
- omeia Lee, 1962 (Potanthus nesta)
- omeia (Leech, 1893) (Capila)
- omeia Leech, 1891 (Euthalia)
- omeia (Euthalia nara), see Euthalia omeia
- omeiensis Chou & Lu, 1978 (Chrysodeixis), see Chrysodeixis taiwani
- omeii Clark, 1936, see Marumba gaschkewitschii complacens
- omeishani (Bleszynski, 1965) (Glaucocharis)
- omeishani Bleszynski, 1965 (Pareromene), see Glaucocharis omeishani
- omelkoi Dubatolov & Korshunov, 1995 (Polyommatus icarus)
- omeroda Moore, [1875] (Neptis)
- Omestia Bethune-Baker, 1908 (Notodontidae)
- Omia Hübner, [1821] (Cuculliinae)
- omichleutis Meyrick, 1907 (Miscera)
- Omichlis Hampson, 1895 (Notodontidae)
- omicraria (Fabricius, 1798) (Somatina)
- omicron Geoffrey in Fourcroy, 1785 (Phalaena), see Mamestra brassicae
- omicron Hübner, [1821] (Autographa), see Argyrogramma verruca
- omicron Lempke, 1959 (Dasychira pudipunda f.), see Calliteara pudibunda
- omicronaria Denis & Schiffermüller, 1775 (Geometria), see Cyclophora annularia
- omicronata Donovan, 1811, see Dysstroma citrata
- omicronigera Guenée, 1852 (Sypna)
- omiensis (Chrysodeixis), see Chrysodeixis taiwani
- omilaki Lafontaine, 1998 (Parabarrovia)
- omiltemensis Steinhauser, 1996 (Paratrytone)
- ominata (Krulikovsky, 1903) (Lasiommata petropolitana)
- ominicola Fruhstorfer, 1908 (Neptis soma)
- ominicola Fruhstorfer, 1908 (Neptis yerburyi), see Neptis soma ominicola
- Omiodes Guenée in Boisduval & Guenée, 1854 (Pyraustinae)
- Omiosia Hampson, 1900 (Lithosiinae)
- omissa Rothschild & Jordan, 1903 (Acosmeryx)
- omissa Warren, 1894 (Synegia)
- omissa (Harrison, 1932) (Epirrita autumnata)
- omissa Mironov & Galsworthy, Galsworthy & Xue, 2004 (Eupithecia)
- omissa (Rothschild, 1910) (Amerila)
- omissa Hering, 1926 (Dasychira)
- omissa (Holland, 1893) (Laelia)
- omissa Dod, 1916 (Cucullia)
- omissa Rothschild, 1917 (Baradesa)
- omissa (Rothschild, 1918) (Sallya boisduvali)
- omissa Rothschild, 1918 (Aterica galene)
- omissa Rothschild, 1918 (Precis rauana)
- ?omissa Rothschild, 1915 (Delias)
- omissa Walsingham, 1889 (Plutella)
- omissa Braun, 1927 (Tischeria)
- ?omissa Rungs, 194 (Leucania), see Leucania continentalis
- omissa (Junonia rauana), see Precis rauana omissa
- omissa Holland, 1893 (Aroa), see Laelia omissa
- omissa Matsumura, 1925, see Synegia ichinosawana
- omissa Pfeiffer, 1915 (Castnia eudesmia), see Castnia eudesmia
- omissa Rothschild, 1910 (Rhodogastria), see Amerila omissa
- omissa Rothschild, 1918 (Crenis boisduvalii), see Sallya boisduvali omissa
- omissa Rothschild, 1918 (Precis), see Precis rauana omissa
- omissa Strand, 1916 (Napeogenes), see Napeogenes glycera ellariformis
- omissa Talbot, 1943 (Danaus), see Parantica schenkii periphas
- omissa Warren, 1897 (Arycanda), see Bracca maculosa
- omissalis Fletcher, 1926 (Platyptilia)
- omissalis (Gillmeria), see Platyptilia omissalis
- omissella (Stainton, 1848) (Leucospilapteryx)
- omissoides Toulgoët, 1981 (Opharus)
- omissus (Rothschild, 1910) (Sychesia)
- omissus Rothschild, 1910 (Elysius), see Sychesia omissus
- omissus Rothschild, 1919 (Castnia linus), see Gazera heliconioides obidona
- Omiza Walker, 1860 (Ennominae)
- Omiza Walker, 1861 (Ennominae), see Achrosis
- Omizodes Warren, 1894 (Ennominae)
- omma (van der Hoeven, 1840) (Cyclodes)
- omma van der Hoeven, 1840 (Erebus), see Cyclodes omma
- Ommalophora (Anthelinae), see Anthela
- ommatalis Snellen, 1880 (Spilomela), see Rhimphalea trogusalis
- Ommatochila Butler, 1894 (Hypeninae)
- Ommatophora (Anthelinae), see Anthela
- ommatophora Lower, 1895 (Grammodes), see Grammodes oculicola
- ommatopis (Rivula), see Rivula concinna
- ommatopis Meyrick, 1902 (Rivula), see Rivula concinna
- Ommatoptera Herrich-Schäffer, 1855 (Anthelinae), see Anthela
- Ommatopteryx (Crambinae), see Euchromius
- Ommatopteryx Kirby, 1897 (Crambinae), see Euchromius
- Ommatospila Lederer, 1863 (Pyraustinae)
- Ommatostola Grote, 1873 (Xyleninae)
- Ommatostolidea Benjamin, 1933 (Acronictinae), see Simyra
- omnigena Austin, 1998 (Ochlodes sylvanoides)
- omnigera Vojnits, 1982 (Eupithecia)
- omniluteofuscus Gunder, 1925 (Euphydryas chalcedona ab.), see Euphydryas chalcedona chalcedona
- omnimarginata Hafner, 1912, see Colias hyale hyale
- omnimicans Diaknonoff, 1978 (Phycodes), see Phycodes minor
- omniparens Dietze, 1908 (Eupithecia)
- omnisona (Prout, 1915) (Scopula)
- omnisona Prout, 1915 (Acidalia), see Scopula omnisona
- omo Collins & Larsen, 2005 (Bebearia)
- omoa Hall, 1919 (Eunica mygdonia)
- omochra Prout, 1927 (Agrotis)
- Omochroa Rambur, [1866] (Arctiinae)
- omodepseta Collenette, 1939 (Dasychira)
- Omoiala Grote, [1864] (Pericopinae), see Gnophaela
- omois Hewitson, 1865 (Nymphidium)
- omole (Druce, 1883) (Leucotmemis)
- omole Druce, 1883 (Cosmosoma), see Leucotmemis omole
- Omopera Warren, 1906 (Sterrhinae), see Idaea
- omophanes (Meyrick, 1886) (Philenora)
- omophanes Meyrick, 1886 (Scaeodora), see Philenora omophanes
- Omophyseta Warren, 1894 (Ennominae), see Abraxas
- omopis (Meyrick, 1902) (Corgatha)
- omopis Meyrick, 1902 (Sophta), see Corgatha omopis
- omopisoides (Berio, 1954) (Corgatha)
- omopisoides Berio, 1954 (Sophtha), see Corgatha omopisoides
- Omoplatica Turner, 1926 (Oenochrominae)
- Omoptera Guérin-Méneville, 1832 (Catocalinae), see Zale
- Omopterus (Catocalinae), see Zale
- omorfia Mooser, 1942, see Erinnyis ello
- omorii Matsumura, 1926 (Acronicta)
- Omorphina Alphéraky, 1892 (Plusiinae)
- omoscopa (Meyrick, 1892) (Opogona)
- omoscopa (Meyrick, 1893) (Opogona)
- omosis (Phyciodes nana), see Telenassa delphia nana
- omosis Dyar, 1913 (Phycoides), see Telenassa delphia nana
- omotimoius Fruhstorfer, 1921 (Parnassius apollo), see Parnassius apollo graecus
- omotimoius, see Parnassius apollo graecus
- omotoi (Forster, 1972) (Albulina)
- omotoi Yoshino, 2003 (Aporia agathon)
- omotoi Reiss & Shulte, 1964 (Zygaena transpamirica)
- omotoi (Vacciniina), see Albulina omotoi
- omphaciana[sic!] (Lobesia), see Eupoecilia ambiguella
- omphaciella Faure-Bignet de Simonest, 1801 (Tinea), see Eupoecilia ambiguella
- omphacitis Meyrick, 1912 (Phalonia), see Aethes voxcana
- Omphacodes Warren, 1894 (Geometrinae)
- Omphalagria Hampson, 1910 (Xyleninae)
- omphale (Butler, 1871) (Porphyrogenes passalus)
- omphale Butler, 1881 (Catocala deuteronympha)
- omphale (Godart, 1819) (Colotis euippe)
- omphale (Colotis evippe), see Colotis euippe omphale
- omphale (Coscinocera hercules), see Coscinocera hercules
- omphale (Prepona), see Prepona laertes laertes
- omphale (Teracolus), see Colotis euippe omphale
- omphale Butler, 1871 (Telegonus), see Porphyrogenes passalus omphale
- omphale Butler, 1879 (Coscinocera), see Coscinocera hercules
- omphale Godart, 1819 (Pieris), see Colotis euippe omphale
- omphale Hübner, [1819] (Morpho), see Prepona laertes laertes
- omphale Hübner, [1823] (Cosmosoma), see Cosmosoma auge
- omphale Klug, 1834 (Lycaena), see Lycaena thersamon
- omphale Stoll, [1790] (Papilio), see Hypolimnas salmacis
- omphaleae (Dilophonota), see Erinnyis lassauxi
- omphaleae Boisduval, 1870 (Anceryx), see Erinnyis lassauxi
- omphalella Hampson, 1901 (Lophothoracia)
- Omphaletis (Noctuinae), see Proteuxoa
- Omphaletis Hampson, 1908 (Noctuinae), see Proteuxoa
- Omphaliodes Felder, 1874 (Anthelinae)
- omphalobasis (Hampson, 1898) (Phostria)
- omphalobasis Hampson, 1898 (Phryganodes), see Phostria omphalobasis
- Omphaloceps Hampson, 1901 (Agaristinae)
- Omphalocera Lederer, 1863 (Galleriinae)
- omphaloides Butler, 1876 (Teracolus), see Colotis euippe omphale
- Omphalophana Hampson, 1906 (Cuculliinae)
- Omphalophora (Galleriinae), see Acyperas
- Omphalophora Hampson, 1901 (Galleriinae), see Acyperas
- Omphalopoda Falkovitsh, 1987 (Coleophoridae), see Coleophora
- Omphaloptera Hampson, 1897 (Musotiminae), see Neurophyseta
- Omphaloscelis Hampson, 1906 (Xyleninae)
- omphalota (Hampson, 1903) (Nola)
- omphalota Hampson, 1903 (Celama), see Nola omphalota
- Omphalucha Warren, 1905 (Ennominae)
- Omphax Guenée in Boisduval & Guenée, 1857 (Geometrinae)
- omphephora Dyar, 1914 (Mapeta)
- omphisa (Moore, [1875]) (Albulina)
- Omphisa Moore, [1886] (Pyraustinae)
- omphisa Moore, [1875] (Polyommatus), see Albulina omphisa
- omphisalis Walker, 1859 (Cerynea)
- omrina (Butler, 1870) (Heliopetes)
- omrina Butler, 1870 (Pyrgus), see Heliopetes omrina
- omrora Trimen, 1894 (Acraea)
- on (Hering, 1928) (Dysschema)
- on Hering, 1928 (Pericopis), see Dysschema on
- ona (Smith, 1909) (Apamea)
- ona Korshunov, 1996 (Oeneis aktashi)
- ona (Crymodes), see Apamea ona
- ona Smith, 1909 (Luperina), see Apamea ona
- onaba (Druce, 1886) (Eloria)
- onaba Druce in Godman & Salvin, 1886 (Penora), see Eloria onaba
- onaca Evans, 1955 (Vettius)
- onaeum Hewitson, 1869 (Nymphidium)
- onagella (Dietz, 1905) (Amydria)
- onagrus (Guenée, 1852) (Spragueia)
- onagrus Guenée in Boisduval & Guenée, 1852 (Agrophila), see Spragueia onagrus
- onara (Butler, 1870) (Zela)
- ?onara (Lotongus), see Zela onara
- onara Butler, 1870 (Hesperia), see Zela onara
- onasima Hewitson, 1877 (Hesperia), see Decinea dama
- onatas Hewitson, 1864 (Mycalesis), see Heteropsis adolphei
- onca Fruhstorfer, 1910 (Delias mysis)
- onca Fruhstorfer, 1910 (Delias), see Delias mysis onca
- oncaea Hopffer, 1855 (Acraea)
- oncerodes Turner, 1919 (Amelora)
- Onceroptila Braun, 1948 (Elachistidae), see Perittia
- onchisa Swinhoe, 1893 (Caltoris), see Caltoris cahira austeni
- Onchopera (Hepialidae), see Oncopera
- Onchoptera (Hepialidae), see Oncopera
- oncidia (Corbulis), see Brevioleria aelia orolina
- oncidia (Hypoleria), see Brevioleria aelia orolina
- oncidia Bates, 1862 (Ithomia orolina var.), see Brevioleria aelia orolina
- Oncobela Turner, 1937 (Epipaschiinae), see Stericta
- Oncocera Stephens, 1829 (Phycitinae)
- Oncocnemis Lederer, 1853 (Cuculliinae)
- oncocnemoides (Barnes & Benjamin, 1926) (Euxoa annulipes)
- oncocnemoides (Euxoa), see Euxoa annulipes oncocnemoides
- oncocnemoides Barnes & Benjamin, 1926 (Agrotis annulipes var.), see Euxoa annulipes oncocnemoides
- Oncopera Walker, 1856 (Hepialidae)
- oncophragma Turner, 1908 (Nacoleia)
- Oncoptera Meyrick, 1890 (Hepialidae), see Oncopera
- ondai Takanami, 1982 (Sinthusa), see Sinthusa natsumiae
- ondinata Guenée, 1857 (Asthena), see Poecilasthena pulchraria
- ondo (Barnes, 1907) (Oxycilla)
- ondo Barnes, 1907 (Erastria), see Oxycilla ondo
- Onectra (Tortricinae), see Sparganothis
- onega Bates, 1862 (Dioptis)
- onega (Hewitson, 1851) (Oleria)
- onega Hewitson, 1851 (Ithomia), see Oleria onega
- oneida (Hewitson, 1855) (Pteronymia)
- Oneida Hulst, 1889 (Epipaschiinae)
- oneida Hewitson, 1855 (Ithomia), see Pteronymia oneida
- oneidodes (Kaye, 1918) (Greta)
- oneidodes (Hypomenitis theudelinda), see Greta oneidodes oneidodes
- oneidodes Kaye, 1918 (Hymenitis), see Greta oneidodes
- oneili (Clark, 1925) (Pantophaea)
- oneili Clark, 1925 (Pemba), see Pantophaea oneili
- oneka (Hewitson, 1866) (Sarbia)
- oneka Hewitson, 1866 (Pyrrhopyga), see Sarbia oneka
- oneka[sic=oneko], see Amblyscirtes aesculapius
- oneko Scudder, 1864 (Hesperia), see Amblyscirtes aesculapius
- onelia (Guenée, 1852) (Dysgonia)
- Onenses Godman & Salvin, [1895] (Pyrginae)
- Onensis (Pyrginae), see Onenses
- onerata Trimen, 1891 (Acraea)
- onerosa (Schaus, 1914) (Drobeta)
- onerosa (Köhler, 1959) (Pseudoleucania)
- onerosa Köhler, 1959 (Paranicla), see Pseudoleucania onerosa
- onerosa Schaus, 1914 (Angitia), see Drobeta onerosa
- onesalis (Schaus, 1906) (Salia)
- onesalis Schaus, 1906 (Batyma), see Salia onesalis
- onesimides Fruhstorfer, 1904 (Taenaris), see Taenaris dioptrica dioptrica
- onesimus (Papilio aegeus ormenus f.), see Papilio aegeus ormenus
- onesimus Butler, see Taenaris artemis jamesi
- onesimus Hewitson, 1858 (Papilio), see Papilio aegeus ormenus
- Onespa Steinhauser, 1974 (Hesperiinae)
- onetha (Swinhoe, 1901) (Nyctemera luctuosa)
- onetor Fruhstorfer, 1914 (Arhopala araxes)
- onetor (Narathura araxes), see Arhopala araxes onetor
- onetor Fruhstorfer, 1914 (Arhopala amantes), see Arhopala araxes onetor
- Onevatha Walker, [1859] (Herminiinae), see Adrapsa
- ongana (Cnephasia), see Cnephasia longana
- ongodai Tutt, 1909 (Plebejus cleobis)
- ongodai Tutt, 1908 (Thecla betulae)
- ongodai (Plebeius cleobis), see Plebejus cleobis ongodai
- ongodai (Plebejus subsolanus), see Plebejus cleobis ongodai
- ongodai Tutt, 1909 (Plebejus argus), see Plebejus cleobis ongodai
- ongodai, see Plebejus cleobis ongodai
- onias (Hulstaert, 1924) (Anthene)
- onias (Hewitson, 1857) (Dynamine)
- onias Hewitson, 1857 (Eubagis), see Dynamine onias
- onidale Suffert, 1904 (Papilio leonidas), see Graphium leonidas leonidas
- oniens Talbot, 1935 (Liptena flavicans)
- ?oniensis Bethune-Baker, 1913, see Stempfferia elissa
- onii Bethune-Baker, 1911 (Euproctis)
- onin Yagishita, 2003 (Delias geraldina)
- onina Talbot, 1940 (Ideopsis vitrea)
- oninica de Vos, 2007 (Nyctemera)
- oniroe (Dognin, 1891) (Xylinissa)
- oniroe Dognin, 1891 (Asphalia), see Xylinissa oniroe
- onirophanta Dyar, 1914 (Patissa)
- ?onirophanta (Leptosteges), see Patissa onirophanta
- onissa Dyar, 1911 (Clisiocampa), see Malacosoma tigris
- onitshae Stempffer, 1962 (Ornipholidotos)
- onitshae (Stempffer, 1962) (Tetrarhanis)
- oniwakiensis Y. Yazaki & Hiramoto, 1981 (Lopinga achine)
- onoba Hewitson, 1865 (Nymphidium), see Nymphidium menalcus
- onobrychidella Klimesch, 1937 (Leucoptera)
- onobrychiella Zeller, 1849 (Coleophora)
- onobrychis [Denis & Schiffermüller], 1775 (Sphinx), see Zygaena carniolica
- onoi Inoue, 1965 (Pareulype)
- onoi Murayama, 1953 (Japonica)
- onoi (Japonica lutea), see Japonica onoi
- onoi Murayama, 1953 (Japonica lutea), see Japonica onoi
- onolaus (Kirsch, 1877) (Taenaris)
- onolaus (Tenaris), see Taenaris onolaus
- ?onoma Fruhstorfer, 1919 (Niphanda asialis)
- onoma Fruhstorfer, 1919 (Niphanda), see Niphanda asialis onoma
- onoma Haensch in Seitz, 1909 (Calloleria hopfferi f.), see Ceratinia tutia hopfferi
- ?onomichiana Matsumura, 1919 (Zephyrus), see Antigius butleri
- ?onomichianus Matsumura, 1919 (Zephyrus), see Antigius butleri
- ononaria Fuessly, 1783 (Phalaena), see Aplasta (Geometra) ononaria
- ononata Bellier, 1861 (Aplasta), see Aplasta (Geometra) ononaria
- ononensis (Bremer, 1861) (Pseudohermonassa)
- ononensis (Chersotis), see Pseudohermonassa ononensis
- ononensis Bremer, 1861 (Agrotis), see Pseudohermonassa ononensis
- ononica Kostyuk, 1991 (Selenia)
- ononidella Millière, 1879 (Coleophora)
- ononidis (Zeller, 1839) (Parectopa)
- ononidis Milliére, 1878 (Zygaena hilaris)
- ononidis Guenée, 1852 (Heliothis), see Heliothis ononis
- ononidis Zeller, 1852 (Pterophorus), see Stangeia siceliota
- ononis (Denis & Schiffermüller, 1775) (Heliothis)
- ononis Denis & Schiffermüller, 1775 (Noctua), see Heliothis ononis
- Onophas Godman in Godman & Salvin, [1900] (Hesperiinae)
- onophides Staudinger, 1887 (Anaea arginussa var.), see Memphis arginussa eubaena
- onophis (C. & R. Felder, 1861) (Memphis arginussa)
- onophis (Anaea), see Memphis arginussa onophis
- onophis Boisduval, 1870 (Paphia), see Memphis moruus boisduvali
- onophis C. & R. Felder, 1861 (Nymphalis), see Memphis arginussa onophis
- onopordi (Rambur, 1840) (Pyrgus)
- onopordi Rambur, 1840 (Hesperia), see Pyrgus onopordi
- onopordiella Zeller, 1849 (Coleophora)
- onorata (Hewitson, 1869) (Euselasia)
- onorata (Eurygona), see Euselasia onorata
- onorata Hewitson, 1869 (Eurygona), see Euselasia onorata
- onorbo (Cornuphallus), see Cornuphallus onoribo
- onorei Miller, 2009 (Momonipta)
- onorei Vitale & Bollino, 1999 (Patricia dercyllidas)
- onorensis (Matsumura, 1925) (Clossiana selenis)
- onoribo (Möschler, 1883) (Cornuphallus)
- onoribo Möschler, 1883 (Achlyodes), see Cornuphallus onoribo
- onosandrus Fruhstorfer, 1908 (Eumenis statilinus), see Hipparchia statilinus
- onosmella Brahm, 1791 (Tinea), see Coleophora pennella
- onosmella, see Coleophora pennella
- onothberina Martyn, 1797, see Basiothia medea
- onpape (Chilasa clytia clytia f.), see Papilio clytia panope
- onpape Moore, [1879] (Papilio), see Papilio clytia panope
- Onryza Watson, 1893 (Hesperiinae)
- ontakensis Sugi, 1982 (Apamea)
- ontariella Bethune, 1870 (Depressaria), see Depressaria pastinacella
- ontario (Smith, 1900) (Euxoa comosa)
- ontario (Edwards, 1868) (Satyrium favonius)
- ontario (McDunnough, 1927) (Sphenarches)
- ontario (Euristrymon), see Satyrium favonius ontario
- ontario (Fixsenia), see Satyrium favonius ontario
- ontario (Strymon), see Satyrium favonius ontario
- ontario (Thecla), see Satyrium favonius ontario
- ontario Edwards, 1868 (Thecla), see Satyrium favonius ontario
- ontario Smith, 1900 (Carneades), see Euxoa comosa ontario
- onthodes (Lower, 1903) (Amyna)
- onthodes Lower, 1903 (Erastria), see Amyna onthodes
- Onthyes (Arctiinae), see Onythes
- onusta Warren, 1897 (Arctoscelia)
- onusta Vojnits, 1994 (Chloroclystis)
- onusta Grote, 1874 (Macronoctua)
- onusta Walker, 1865 (Othora), see Plotheia decrescens
- onusta Weymer, 1885 (Damalis), see Asota egens
- onustalis Walker, [1866] (Almonia), see Almonia truncatalis
- onustana (Walker, 1864) (Tebenna)
- onustana Walker, 1863 (Cerace)
- onustaria (Herrich-Schäffer, [1852]) (Charissa)
- onustaria (Kemtrognophos), see Charissa onustaria
- onustaria Herrich-Schäffer, 1851 (Gnophos), see Charissa onustaria
- onustaria Herrich-Schäffer, [1852] (Gnophos), see Charissa onustaria
- onycha (Fletcher, 1953) (Cleora)
- onycha (Hewitson, 1865) (Theclinesthes)
- onycha Fletcher, 1953 (Carecomotis), see Cleora onycha
- onycha Hewitson, 1865 (Utica), see Theclinesthes onycha
- Onychagrotis (Noctuinae), see Agrotis
- Onychagrotis Hampson, 1903 (Noctuinae), see Agrotis
- onychina (Guenée, 1852) (Brachylomia)
- onychina (Staudinger, 1889) (Horaga syrinx)
- onychina (Horaga onyx), see Horaga syrinx onychina
- onychina Guenée, 1852 (Epunda), see Brachylomia onychina
- onychina Herrich-Schäffer, 1856 (Apamea), see Mesoligia literosa
- onychina Staudinger, 1889 (Sithon), see Horaga syrinx onychina
- onychinalis (Guenée, 1854) (Bocchoris)
- onychinalis (Guenée, 1854) (Glyphodes)
- onychinalis Guenée in Boisduval & Guenée, 1854 (Asopia), see Bocchoris onychinalis
- onychinalis Guenée, 1854 (Asopia), see Glyphodes onychinalis
- Onychipodia Hampson, 1900 (Lithosiinae)
- Onychodes Meyrick, 1890 (Oenochrominae), see Onycodes
- Onychopsis Prout, 1910 (Oenochrominae), see Parepisparis
- onychopyga Le Marchand, 1945 (Scythris), see Scythris insulella
- Onychora Meyrick, 1892 (Ennominae)
- onychosema Diakonoff, 1969 (Stenentoma)
- Onycodes Guenée, 1857 (Oenochrominae)
- Onymapata Hulstaert, 1924 (Lithosiinae)
- onytes (Cramer, [1777]) (Trichromia)
- onytes (Schaus, 1894) (Deltote)
- onytes Schaus, 1914 (Ozarba)
- onytes (Lithacodia), see Deltote onytes
- onytes (Neritos), see Trichromia onytes
- onytes Cramer, [1777] (Noctua), see Trichromia onytes
- onytes Cramer, [1777] (Phalaena), see Trichromia onytes
- onytes Schaus, 1894 (Tarache), see Deltote onytes
- Onythes Walker, 1855 (Arctiinae)
- onythesalis (Walker, 1859) (Pyrausta)
- onythesalis Walker, 1859 (Botys), see Pyrausta onythesalis
- onyx (Moore, [1858]) (Horaga)
- onyx Tsukada, 1985 (Phalanta alcippe)
- onyx (Myrina), see Horaga onyx
- onyx Moore, [1858] (Thecla), see Horaga onyx
- onyx Stichel, 1936 (Euselasia opalescens), see Euselasia opalescens joiceyi
- onyxalis Hampson, 1897 (Usingeriessa)
- onyxitis Fruhstorfer, 1914 (Horaga), see Horaga chalcedonyx chalcedonyx
- onza Evans, 1955 (Parosmodes)
- Onzis Lindsey, 1925 (Pyrginae), see Hyalothyrus
- oo (Linnaeus, 1758) (Dicycla)
- oo Linnaeus, 1758 (Phalaena bombyx), see Dicycla oo
- oo Linnaeus, 1758 (Phalaena), see Dicycla oo
- oo Stoll, [1782] (Phalaena), see Chrysodeixis includens
- ooana, see Chrysodeixis includens
- oodes Turner, 1904 (Hypolophota)
- oodes (Heteromicta), see Hypolophota oodes
- oodoleva (Dismorphia), see Dismorphia theucharila lysinoe
- ooidophera Collenette, 1960 (Dasychira)
- oonana Strand, 1917 (Phytometra oo ab.), see Chrysodeixis includens
- oonophora (Collenette, 1938) (Nygmia)
- oonophora (Euproctis), see Nygmia oonophora
- oonophora Collenette, 1938 (Euproctis), see Nygmia oonophora
- oophora Zeller, 1853 (Pseudoblabes)
- ooptera Turner, 1922 (Sterrha), see Zygophyxia relictata
- oorti Köhler, 1952 (Paracullia)
- Oospila Warren, 1897 (Geometrinae)
- oosthuizeni Swanepoel & Vári, 1983 (Lepidochrysops)
- oostigma (Turner, 1929) (Epicyrtica)
- oostigma Turner, 1929 (Crypsipora), see Epicyrtica oostigma
- opaca (Burmeister, 1878) (Eacles imperialis)
- opaca Rindge, 1970 (Pterotaea melanocarpa)
- opaca (Walker, 1856) (Phaeosphecia)
- opaca Dognin, 1923 (Eloria)
- opaca Collenette, 1955 (Parakanchia)
- opaca (Staudinger, 1900) (Mythimna)
- opaca (Hering, 1925) (Polypoetes)
- opaca Turner, 1922 (Syntypistis)
- opaca (Kirby, 1890) (Liptena)
- opaca (Larinopoda), see Liptena opaca
- opaca (Leucania), see Mythimna opaca
- opaca (Loxagrotis acclivis), see Dichagyris acclivis
- opaca Barnes & Benjamin, 1927 (Gluphisia septentrionis f.), see Gluphisia septentrionis
- opaca Boisduval, 1870 (Ctenucha), see Ctenucha (Philoros) rubriceps
- opaca Burmeister, 1878 (Ceratocampa imperlialis var.), see Eacles imperialis opaca
- opaca Chermock & Chermock, 1940 (Eupsilia), see Eupsilia morrisoni
- opaca Fruhstorfer, 1907 (Elymnias cybele), see Elymnias cybele cybele
- opaca Harvey, 1875 (Agrotis), see Dichagyris acclivis
- opaca Hering in Seitz, 1925 (Dioptis), see Dioptis tessmanni
- opaca Hering in Seitz, 1925 (Stenoplastis), see Polypoetes opaca
- opaca Kirby, 1890 (Larinopoda), see Liptena opaca
- opaca Le Moult & Réal, 1962 (Morpho marinita f.), see Morpho helenor marinita
- opaca Michael, 1925 (Agrias claudia ab.), see Agrias claudina sardanapalus
- opaca Staudinger, 1900 (Leucania), see Mythimna opaca
- opaca Stichel, 1910 (Emesis lucinda), see Emesis lucinda
- opaca Walker, 1856 (Myrmecopsis), see Phaeosphecia opaca
- opacalis Grote, 1876 (Hypenula), see Hypenula cacuminalis
- opacana Geyer, [1833] ([Tortrix]), see Acleris abietana
- opacana Joicey & Talbot, 1922 (Pieridopsis virgo f.), see Erycinidia virgo
- opacaria (Hübner, 1819) (Compsoptera)
- opacaria (Hulst, 1881) (Vinemina)
- opacaria Swinhoe, 1890 (Hipoepa?), see Hadjina modestissima
- opacella Kaye, 1918 (Napeogenes stella)
- opacella (Hulst, 1887) (Peoria)
- opacella Hulst, 1887 (Anerastia), see Peoria opacella
- opacella Kaye, 1918 (Napeogenes), see Napeogenes stella opacella
- opacifrons (Grote, 1878) (Coenophila)
- opacifrons (Eugraphe subrosea), see Coenophila opacifrons
- opacifrons Grote, 1878 (Agrotis), see Coenophila opacifrons
- opacitas Druce, 1907 (Thecla), see Ziegleria ceromia
- opacographa Ronkay & Ronkay, 1986 (Cucullia)
- Opacographa Hreblay, 1996 (Hadeninae), see Perigrapha
- Opacosphecia Capuse, 1973 (Sesiinae), see Bembecia
- opaculus Fruhstorfer, 1908, see Mycalesis janardana opaculus
- opacus Murayama & Shimonoya, 1966 (Papilio helenus fortunius ab.), see Papilio helenus fortunius
- opacusalis Swinhoe, 1904 (Bradina)
- opada (Calora, 1966) (Mythimna)
- opada Franclemont, 1966 (Nychioptera)
- opada (Aletia), see Mythimna opada
- opada Calora, 1966 (Aletia), see Mythimna opada
- Opadia Guenée, 1845 (Olethreutinae), see Grapholita
- opala (Pagenstecher, 1900) (Beana)
- opala Pagenstecher, 1900 (Polydesma), see Beana opala
- opalalis Hampson, 1891 (Glyphodes), see Agrioglypta eurytusalis
- opalescalis (Hulst, 1886) (Pseudoschoenobius)
- opalescellum Hulst, 1887, see Homoeosoma electellum
- opalescens Warren, 1897 (Albara reversaria)
- opalescens (Oberthür, 1916) (Nordstromia bicostata)
- opalescens (West, 1929) (Orthocabera)
- opalescens (Hewitson, 1855) (Euselasia)
- opalescens (Albara), see Albara reversaria opalescens
- opalescens (Albara), see Nordstromia bicostata opalescens
- opalescens (Drepana), see Nordstromia bicostata opalescens
- opalescens (Nordstroemia bicostata), see Nordstromia bicostata opalescens
- opalescens (Teracolus), see Colotis eris
- opalescens Butler, 1886 (Teracolus), see Colotis eris
- opalescens Butler, 1889 (Hyderlia), see Rivula trilineata
- opalescens Edwards, 1881 (Aegeria), see Synanthedon exitiosa
- opalescens Hampson, 1926 (Oglasa), see Hapda exhibens
- opalescens Hewitson, 1855 (Eurygona), see Euselasia opalescens
- opalescens Oberthür, 1916 (Drepana), see Nordstromia bicostata opalescens
- opalescens Rebel, 1914 (Pseudogenusa), see Pseudogenusa makala
- opalescens Schultze, 1934 (Heteronygmia), see Heteronygmia manicata
- opalescens Warren, 1897 (Albara), see Albara reversaria opalescens
- opalescens West, 1929 (Microniodes), see Orthocabera opalescens
- opalia (Hewitson, 1868) (Nicolaea)
- opalia (Thecla), see Nicolaea opalia
- opalia Hewitson, 1868 (Thecla), see Nicolaea opalia
- opaliana (Hayward, 1967) (Nicolaea)
- opaliana Hayward, 1967 (Thecla), see Nicolaea opaliana
- opalina (Collenette, 1951) (Arctornis)
- opalina Walker, 1855 (Cimola)
- opalina (Walker, 1862) (Nola)
- opalina Stempffer, 1946 (Anthene)
- opalina (Moore, [1884]) (Arhopala)
- opalina (Kollar, [1844]) (Athyma)
- opalina Butler, 1871 (Palaeonympha)
- opalina (Westwood, 1851) (Euselasia)
- opalina (Amblypodia), see Arhopala opalina
- opalina (Eurygona), see Euselasia opalina
- opalina (Narathura opalina), see Arhopala opalina opalina
- opalina (Narathura), see Arhopala opalina
- opalina (Pantoporia), see Athyma opalina
- opalina (Pisara), see Nola opalina
- opalina (Zizeeria maha f.), see Pseudozizeeria maha
- opalina (Zizera), see Pseudozizeeria maha
- opalina Butler, see Thalassodes opalina
- opalina Collenette, 1951 (Kanchia), see Arctornis opalina
- opalina Esper, 1794 (Phalaena), see Calophasia (Noctua) opalina
- opalina Esper, 1798 (Phalaena), see Calophasia (Noctua) opalina
- opalina Fruhstorfer, 1910 (Euploea), see Euploea leucostictos herbstii
- opalina Godman & Salvin, [1884] (Anaea), see Zaretis callidryas
- opalina Kollar, [1844] (Limenitis), see Athyma opalina
- opalina Moore, [1884] (Nilasera), see Arhopala opalina
- opalina Moore, [1885] (Leucinodes), see Agrotera barcealis
- opalina Poujade, 1885 (Lycaena), see Pseudozizeeria maha
- opalina Schultze, 1920 (Euphaedra), see Euphaedra miranda
- opalina Walker, 1862 (Pisara), see Nola opalina
- opalina Westwood, 1851 (Eurygonia), see Euselasia opalina
- opalinoides Holloway, 1996 (Thalassodes)
- opalinoides Guenée, 1852 (Acontia)
- opalinus (Staudinger, 1897) (Cheimas)
- opalinus Butler, 1877 (Parides aeneas)
- opalinus Butler, 1877 (Papilio), see Parides aeneas opalinus
- opalinus Butler, 1900, see Celaenorrhinus galenus opalinus
- opalinus Staudinger, 1897 (Oxeoschistus), see Cheimas opalinus
- opalisans (Draudt, 1924) (Leucania)
- opalisans Draudt in Seitz, 1924 (Cirphis), see Leucania opalisans
- opalocincta Druce, 1898 (Urolosia)
- opalocincta (Urolasia), see Urolosia opalocincta
- opella (Grote, 1863) (Holomelina)
- opella (Swinhoe, 1885) (Pseudozarba)
- opella Grote, 1863 (Crocota), see Holomelina opella
- opella Swinhoe, 1885 (Acontia), see Pseudozarba opella
- opellodes Strand, 1917 (Eustrotia), see Pseudozarba orthopetes
- opelloides Graef, 1887 (Crotoca), see Holomelina costata costata
- operana (Archips), see Archips oporanus
- operaria (Hübner, [1813]) (Elophos)
- operaria Hübner, [1813] (Geometra), see Elophos operaria
- opercularis (Smith, 1797) (Megalopyge)
- opercularis Smith, 1797 (Phalaena), see Megalopyge opercularis
- operculella (Zeller, 1873) (Phthorimaea)
- Operophtera Hübner, 1825 (Larentiinae)
- operosa Köhler, 1953 (Proseniella)
- operosa (Saalmüller, 1891) (Mythimna)
- operosa (Aletia), see Mythimna operosa
- operosa Hübner, [1808] (Noctua), see Xylocampa (Noctua) areola
- operosa Saalmüller, 1891 (Leucania), see Mythimna operosa
- operosella Zeller, 1873 (Setomorpha), see Setomorpha rutella
- opertus Tsukada, 1991 (Lexias dirtea), see Lexias dirtea toonchai
- opharina (Schaus, 1921) (Romualdia)
- opharina Schaus, 1921 (Amastus), see Romualdia opharina
- Opharus Walker, 1855 (Arctiinae)
- opheimi (Aricia allous), see Aricia artaxerxes allous
- opheimi Hoegh-Guldberg, 1966 (Aricia), see Aricia artaxerxes allous
- ophelasalis Walker, 1859 (Bleptina)
- ophelia H. Edwards, 1880 (Catocala)
- ophelia (Hewitson, 1867) (Olynthus)
- ophelia (Catocala verilliana), see Catocala ophelia
- ophelia (Thecla), see Olynthus ophelia
- ophelia Butler, 1870 (Taygetis), see Taygetis ypthima
- ophelia Fruhstorfer, 1907 (Perrhybris pandosia), see Itaballia pandosia pisonis
- ophelia H. Edwards, 1880 (Catocala verrilliana var.), see Catocala ophelia
- ophelia Hewitson, 1867 (Thecla), see Olynthus ophelia
- ophelion Fruhstorfer, 1914 (Euripus nyctelius)
- ophellas Fruhstorfer, 1915 (Adelpha delphicola), see Adelpha thesprotia
- opheltes (Cramer, [1780]) (Rhodafra)
- opheltes (Adelpha boreas), see Adelpha boreas boreas
- opheltes Cramer, [1780] (Sphinx), see Rhodafra opheltes
- opheltes Druce, 1885 (Eusemia), see Scrobigera albomarginata
- opheltes Fruhstorfer, 1915 (Adelpha boreas), see Adelpha boreas boreas
- ophia (Butler, 1870) (Quadrus lugubris)
- ophia (Hewitson, 1868) (Nicolaea)
- ophia (Thecla), see Nicolaea ophia
- ophia Butler, 1870 (Achlyodes), see Quadrus lugubris ophia
- ophia Hewitson, 1868 (Thecla), see Nicolaea ophia
- ophiala Corbet, 1941 (Arhopala abseus)
- ophialis (Treitschke, 1829) (Metasia)
- ophiana (Moore, 1872) (Phaedyma columella)
- ophiana (Phaedyna columella), see Phaedyma columella ophiana
- ophiana Moore, 1872 (Neptis), see Phaedyma columella ophiana
- ophianella (Staudinger, 1889) (Phaedyma columella)
- ophianella Staudinger, 1889 (Neptis columella var.), see Phaedyma columella ophianella
- ophias (Herrich-Schäffer, [1853]) (Euselasia eumedia)
- Ophias Ragonot, 1891 (Chrysauginae)
- ophias Herrich-Schäffer, [1853] (Eurygona eumedia), see Euselasia eumedia ophias
- ophideres Draudt, 1919 (Darceta)
- Ophideres Boisduval, 1832 (Calpinae), see Eudocima
- ophideresana (Walker, 1863) (Heliothela)
- ophideresana Walker, 1863 (Orosana), see Heliothela ophideresana
- Ophiderinae (Noctuidae), see Calpinae
- ophideroides (Guenée, 1852) (Calyptra)
- ophideroides Guenée, 1852 (Calpe), see Calyptra ophideroides
- ophidicephaloides Stoneham, 1951 (Papilio lormieri f.), see Papilio lormieri neocrocea
- ophidicephalus Oberthür, 1878 (Papilio)
- ophidusa Martin, [1923] (Adelpha valentina), see Adelpha justina valentina
- ophimontana Gorbunov, 1991 (Chamaesphecia)
- Ophioderes Agassiz, [1847] (Calpinae), see Eudocima
- ophiodes (Meyrick, 1886) (Halone)
- Ophiodes Guenée, 1841 (Catocalinae), see Minucia
- ophiodes (Dasychira pheosia), see Dasychira pheosia
- ophiodes Collenette, 1960 (Dasychira pheosia), see Dasychira pheosia
- ophiodes Meyrick, 1886 (Mosoda), see Halone ophiodes
- ophiodesma Meyrick, 1902 (Crypsiprora)
- Ophiogenes Reichenbach, 1817 (Catocalinae), see Ophiusa
- Ophiogramma Hübner, [1831] (Desmobathrinae)
- ophiogramma (Lateroligia), see Apamea (Noctua) ophiogramma
- ophiogramma Esper, 1798 (Phalaena), see Apamea (Noctua) ophiogramma
- ophiogramma Esper, [1794] (Phalaena), see Apamea (Noctua) ophiogramma
- ophiogramma (Apamea), see Apamea (Noctua) ophiogramma
- Ophiographa Prout, 1910 (Oenochrominae), see Dinophalus
- ophion (Walker, 1854) (Argyroeides)
- ophion Hemming, 1933 (Lycaena)
- ophion (Hyrcanana ophion), see Lycaena ophion ophion
- ophion (Hyrcanana), see Lycaena ophion
- ophion Stoll, [1790] (Papilio), see Tagiades flesus
- ophion Walker, 1854 (Glaucopis), see Argyroeides ophion
- ophionalis (Walker, 1859) (Microtheoris)
- ophione (Cramer, [1777]) (Neptidopsis)
- ophione Cramer, [1777] (Papilio), see Neptidopsis ophione
- ophioniformis Hübner, [1813] (Sphinx), see Synanthedon tipuliformis
- Ophiosema Romieux, 1943 (Nolidae)
- ophiosema (Lower, 1896) (Choreutis)
- ophiosema (Anthophila), see Choreutis ophiosema
- ophiosema (Rictonis), see Proteuxoa bistrigula
- ophiosema (Simaethis), see Choreutis ophiosema
- ophiosema Lower, 1896 (Simaethis), see Choreutis ophiosema
- ophiosema Lower, 1901 (Epidesmia), see Dichromodes personalis
- ophiosema Turner, 1911 (Ariathisa), see Proteuxoa bistrigula
- ophir Evans, 1937 (Hypoleucis ophiusa)
- ophir (Evans, 1957) (Arhopala aida)
- ophir Barnes & McDunnough, 1910 (Apantesis ab.), see Grammia williamsii tooele
- ophir Evans, 1957 (Narathura aida), see Arhopala aida ophir
- ophiralis Hampson, 1919 (Ancylolomia)
- ophis Edwards, 1871, see Panoquina panoquin
- ophis Fruhstorfer, 1916 (Catagramma pygas), see Callicore pygas pygas
- ophisa (Cramer, 1779) (Euplocamus)
- Ophisma Guenée in Boisduval & Guenée, 1852 (Catocalinae)
- ophites (Mabille, 1878) (Wallengrenia otho)
- ophites (Wallengrenia), see Wallengrenia otho ophites
- ophites Mabille, 1878 (Pamphila otho), see Wallengrenia otho ophites
- Ophitis Felder, 1874 (Notodontidae)
- ophiucha (Meyrick, 1890) (Phrixocomes)
- ophiucha Meyrick, 1890 (Dichromodes), see Phrixocomes ophiucha
- Ophiuche (Hypeninae), see Hypena
- Ophiuche Hübner, [1825] (Hypeninae), see Hypena
- ophiuchus Plötz, 1882 (Telegonus), see Salatis salatis
- ophiucus (Bungalotis), see Salatis salatis
- ophiurus Rindge, 1952 (Exelis)
- ophiusa (Hewitson, [1866]) (Hypoleucis)
- Ophiusa Ochsenheimer, 1816 (Catocalinae)
- ophiusa (Hesperia), see Hypoleucis ophiusa
- ophiusa Hewitson, [1866] (Hesperia), see Hypoleucis ophiusa
- ophiusalis (Walker, [1859]) (Avitta)
- ophiusalis Walker, [1859] (Bocana), see Avitta ophiusalis
- ophiusaria Guenée, 1857 (Phallaria)
- ophiusinalis Mabille, 1879 (Hypena)
- ophiusioides Möschler, 1886 (Anagoa), see Bleptina menalcasalis
- ophiusoides Moore, 1882 (Hypena)
- Ophiussa (Catocalinae), see Ophiusa
- ophla Swinhoe, 1902 (Nearcha)
- ophni Butler, 1870 (Pyrrhogyra neaerea)
- ophni Butler, 1870 (Pyrrhogyra), see Pyrrhogyra neaerea ophni
- ophonana McDunnough, 1925 (Eucosma)
- ophrionella (Dietz, 1905) (Nemapogon)
- ophrydina (Druce, 1885) (Clemensia)
- ophrydina Druce, 1885 (Nola)
- ophrydina Druce in Godman & Salvin, 1885 (Nola), see Clemensia ophrydina
- ophtalmicus (Smerinthus), see Smerinthus ophthalmica
- ophthalmaria Oberthür, 1916, see Cyclophora linearia
- ophthalmica Boisduval, 1855 (Smerinthus)
- ophthalmica (Guenée, 1852) (Baileya)
- ophthalmica (Mycalesis), see Lohora ophthalmicus
- ophthalmica Guenée in Boisduval & Guenée, 1852 (Leptina), see Baileya ophthalmica
- ophthalmica Staudinger, 1887 (Callerebia), see Callerebia orixa
- ophthalmicana Razowski & Yasuda, 1964 (Acleris)
- ophthalmicana (Aclersi), see Acleris ophthalmicana
- ophthalmicata Lederer, 1853, see Charissa ambiguata ophthalmicata
- ophthalmicus (Westwood, 1888) (Lohora)
- ophthalmicus (Mycalesis), see Lohora ophthalmicus
- ophthalmicus (Smerinthus), see Smerinthus ophthalmica
- ophthalmicus Westwood, 1888 (Mycalesis), see Lohora ophthalmicus
- Ophthalmis Hübner, [1819] (Agaristinae)
- Ophthalmitis Fletcher, 1979 (Ennominae)
- ophthalmodes Hering, 1926 (Dasychira)
- Ophthalmodes Guenée in Boisduval & Guenée, 1857 (Ennominae), see Ophthalmitis
- Ophthalmophora Guenée, 1857 (Ennominae), see Opisthoxia
- ophthalmophorus Le Moult & Réal, 1962 (Morpho neoptolemus gramberfi f.), see Morpho deidamia neoptolemus
- Ophyx Guenée in Boisduval & Guenée, 1852 (Calpinae)
- opicata Mironov & Galsworthy, Galsworthy & Xue, 2004 (Eupithecia)
- ?opicus Tsukada, 1991 (Lexias dirtea), see Lexias dirtea chalcedonides
- opifex Evans, 1952 (Drephalys)
- opificata (Lederer, 1870) (Aplocera)
- opigena (Hewitson, 1866) (Thespieus)
- opigena (Drury, 1773) (Hemeroblemma)
- Opigena Boisduval, 1840 (Noctuinae)
- opigena Stichel, 1919 (Euselasia opalescens)
- opigena Hewitson, 1866 (Hesperia), see Thespieus opigena
- opima Rothschild & Jordan, 1916 (Manduca sesquiplex)
- opima (Hübner, [1809]) (Orthosia)
- opima (Weymer, 1911) (Magneuptychia)
- opima Hübner, [1809] (Noctua), see Orthosia opima
- opima Weymer, 1911 (Euptychia), see Magneuptychia opima
- opimella (Meyrick, 1879) (Lasiosticha)
- opimella Meyrick, 1879 (Nephopteryx), see Lasiosticha opimella
- opimia Stichel, 1919 (Euselasia)
- opimus Staudinger, 1887 (Eryphanis zolvizora)
- opina (Grote, 1878) (Dryotype)
- opina Grote, 1878 (Dryobota), see Dryotype opina
- opinata (Pearsall, 1909) (Prorella)
- opinatus Heron, 1909 (Charaxes)
- opinionellus Dyar, 1917 (Chilo), see Eoreuma loftini
- opipara (Turner, 1907) (Chrysolarentia)
- opipara Chang, 1991 (Tiliacea melonina)
- opipara Morrison, 1875 (Agrotis), see Euxoa dissona
- opipara Turner, 1907 (Hydriomena), see Chrysolarentia opipara
- opiparus H. Edwards, 1881 (Oribates), see Cobubatha dividua
- opis (Butler, 1878) (Lomaspilis)
- opis (Edwards, 1874) (Speyeria mormonia)
- opis (Drury, [1773]) (Cynandra)
- opis Boisduval, [1875], see Macroglossum belis
- opis Drury, [1773] (Papilio), see Cynandra opis
- opis Herbst, 1793 (Papilio), see Acraea circeis
- opisalis (Walker, 1859) (Coptobasis)
- opisalis Walker, 1859 (Desmia), see Coptobasis opisalis
- opisena (Druce, 1912) (Erora)
- opisena Druce, 1912 (Thecla), see Erora opisena
- opisoleuca (Staudinger, 1881) (Actebia)
- opisoleuca (Protexarnis), see Actebia opisoleuca
- opisoleuca Staudinger, 1881 (Agrotis), see Actebia opisoleuca
- Opisostorthia Wehrli, 1939 (Ennominae), see Yashmakia
- opisthochros Verity, 1939 (Palaeoloweia), see Lycaena tityrus
- Opisthograptis Hübner, [1823] (Ennominae)
- opistholeuca Prout, 1932 (Hypena externa), see Hypena externa
- opisthomela Dyar, 1914 (Charoblemma)
- opisthospila Turner, 1909 (Chusaris)
- Opisthotia Warren, 1894 (Geometrinae)
- opisthoxantha Carpenter, 1923 (Pseudacraea), see Pseudacraea eurytus
- Opisthoxia Hübner, 1825 (Ennominae)
- opistochra (Dyar, 1916) (Cerathosia)
- Opistoclanis Jordan, 1929 (Smerinthinae)
- opistographata Dietze, 1906 (Eupithecia)
- Opistograptis (Ennominae), see Opisthograptis
- opiteralis Walker, 1859 (Bleptina), see Lascoria phormisalis
- opites (Hewitson, 1875) (Melanis)
- opites Hewitson, 1875 (Limnas), see Melanis opites
- opiusalis Walker, 1859 (Luceria)
- oplentia Tsukada, 1985 (Kaniska canace), see Nymphalis canace
- oplerella Powell, 1969 (Adela)
- opleri Lafontaine, 2004 (Copablepharon)
- opleri Lamas, 1978 (Episcada salvinia)
- oplerorum Eitschberger, 2002 (Paonias)
- opleus Godart, 1819 (Papilio), see Parides tros tros
- oplora Dyar, 1914 (Ozarba)
- Opoboa Tessmann, 1921 (Lymantriidae)
- Opodiphthera Wallengren, 1858 (Saturniinae)
- Opogona Zeller, 1853 (Hieroxestinae)
- oponearia Walker, 1860, see Euchlaena madusaria
- Opoptera Aurivillius, 1882 (Morphinae)
- Oporabia Stephens, 1831 (Larentiinae), see Epirrita
- oporana (Archips), see Archips oporanus
- oporana Linnaeus, 1758 (Phalaena), see Archips oporanus
- oporana, see Archips oporanus
- oporanus (Linnaeus, 1758) (Archips)
- oporaria Zeller, 1872 (Nemoria), see Mesothea incertata incertata
- oporedestella Dyar, 1911 (Myelois), see Ectomyelois ceratoniae
- Oporina Agassiz, [1847] (Xyleninae), see Jodia
- Oporinia Hübner, 1825 (Larentiinae), see Epirrita
- Oporophtera (Larentiinae), see Operophtera
- Oporopsamma Gozmány, 1954 (Tortricinae)
- Opostega Zeller, 1839 (Opostegidae)
- Opostegidae (Nepticuloidea)
- Opotura Walker, [1859] (Herminiinae), see Bleptina
- oppeliana Prüffer, 1922 (Perisama emineus), see Perisama oppelii eminens
- oppelii (Latreille, [1809]) (Perisama)
- oppelii (Catagramma), see Perisama oppelii
- oppelii Latreille, [1809] (Erycina), see Perisama oppelii
- oppia (Godman & Salvin, [1887]) (Thereus)
- oppia Fruhstorfer, 1910 (Euploea leucostictos)
- oppia (Euploea nemertes), see Euploea leucostictos oppia
- oppia Godman & Salvin, [1887] (Thecla), see Thereus oppia
- oppialis (Walker, 1859) (Phalaenophana)
- oppialis Walker, 1859 (Bleptina), see Phalaenophana oppialis
- oppidia (Acraea parrhasia f.), see Acraea parrhasia
- oppidia (Acraea), see Acraea parrhasia
- oppidia Hewitson, 1874 (Acraea), see Acraea parrhasia
- oppidicola Krulikovsky, 1907 (Agrotis), see Euxoa (Noctua) nigricans
- oppilalis Grote, 1880 (Botis), see Nealgedonia extricalis extricalis
- oppilata (Walker, 1861) (Scopula)
- oppilata Walker, 1861 (Acidalia), see Scopula oppilata
- oppocoenosea Johnson, 1992 (Novosatsuma)
- opponens (Walker, [1865]) (Pseudaclytia)
- opponens Walker, [1865] (Pampa), see Pseudaclytia opponens
- opportuna Corti in Seitz, 1932 (Euxoa), see Euxoa tristis
- opposita (Walker, 1854) (Apiconoma)
- opposita (Saalmüller, 1891) (Maliattha)
- opposita (Lederer, 1870) (Cleonymia)
- opposita (Walker, 1865) (Feliniopsis)
- opposita Barnes & Benjamin, 1927 (Datana perspicua)
- opposita (Automolis), see Apiconoma opposita
- opposita (Eutamsia), see Feliniopsis opposita
- opposita Butler, 1901 (Archonias), see Catasticta manco manco
- opposita Heinrich, 1931 (Epinotia), see Epinotia aporema
- opposita Lederer, 1870 (Cleophana), see Cleonymia opposita
- opposita Metschl, 1922, see Colias myrmidone myrmidone
- opposita Saalmüller, 1891 (Erastria), see Maliattha opposita
- opposita Storace, 1952 (Papilio bromius chrapkowskoides ab.), see Papilio chrapkowskoides chrapkowskoides
- opposita Walker, 1854 (Euchromia), see Apiconoma opposita
- opposita Walker, 1865 (Mamestra), see Feliniopsis opposita
- opposita Walker, [1863] (Eutelia), see Targalla palliatrix
- opposita Wallengren, 1863 (Pandesma), see Pandesma robusta
- opposita Zusanek, 1918, see Colias hyale hyale
- oppositalis (Walker, 1859) (Nachaba)
- oppositalis (Walker, 1863) (Faveria)
- oppositalis (Walker, [1866]) (Macna)
- oppositalis Walker, 1859 (Nachaba[?]), see Nachaba oppositalis
- oppositalis Walker, 1863 (Trachonitis), see Faveria oppositalis
- oppositalis Walker, [1866] (Curicta), see Macna oppositalis
- oppositana Snellen (Pseudomicronia)
- oppositaria (Mann, 1864) (Eumannia)
- oppositaria Guenée in Boisduval & Guenée, 1857 (Macaria), see Macaria distribuaria
- oppositaria Mann, 1864 (Tephronia), see Eumannia oppositaria
- oppositella auct., see Bryotropha umbrosella
- oppressana (Treitschke, 1835) (Gypsonoma)
- Ops (Theclinae), see Tajuria
- Ops de Nicéville, 1895 (Theclinae), see Tajuria
- ops ( nelone), see Emesis mandana mandana
- ops Druce, 1877 (Paphia), see Anaea troglodyta andria
- ops Latreille, [1813] (Erycina), see Emesis mandana mandana
- Opsibotys Warren, 1890 (Pyraustinae)
- Opsigalea Hampson, 1906 (Cuculliinae)
- Opsiphanes Doubleday, [1849] (Morphinae)
- Opsirhina Walker, 1855 (Lasiocampinae)
- Opsirrhina (Lasiocampinae), see Opsirhina
- Opsyra Hampson, 1908 (Xyleninae)
- optabilis (Boisduval, [1837]) (Eucoptocnemis)
- optabilis (Cladocerotis), see Eucoptocnemis optabilis
- optabilis Boisduval, [1837] (Heliophobus), see Eucoptocnemis optabilis
- optabilis Hübner, [1826] (Noctua), see Catocala optata
- optanias Diakonoff (Bactra)
- optanias Meyrick, 1911 (Bactra), see Bactra passercula
- optata (Swinhoe, 1903) (Nyctemera tripunctaria)
- optata (Godart, 1824) (Catocala)
- optata (Schaus, 1911) (Elaphria)
- optata Schintlmeister, 1997 (Pheosiopsis)
- optata Godart, 1824 (Noctua), see Catocala optata
- optata Hewitson, 1877 (Hesperia), see Vertica umber
- optata Schaus, 1911 (Monodes), see Elaphria optata
- optativa Walker, 1858 (Remigia), see Ericeia inangulata
- optatura Walker, 1858 (Remigia), see Ericeia inangulata
- optatus Fruhstorfer, 1912 (Symbrenthia hypselis)
- optatusalis Walker, 1859 (Scoparia), see Hellula hydralis
- opter Dyar, 1921 (Pleromella)
- optica Evans, 1952 (Typhedanus)
- optilete (Knoch, 1781) (Albulina)
- optilete (Plebeius), see Albulina optilete
- optilete (Plebejus), see Albulina optilete
- optilete (Vacciniina optilete), see Albulina optilete optilete
- optilete (Vacciniina), see Albulina optilete
- optilete Knoch, 1781 (Papilio), see Albulina optilete
- optima Staudinger, 1888 (Catocala)
- optima Alphéraky, 1897 (Haderonia)
- optima (Dyar, [1920]) (Hexorthodes)
- optima (Butler, 1869) (Asterope leprieuri)
- optima Stichel, 1915 (Semomesia tenella)
- optima Reiss, 1939 (Zygaena haberhaueri)
- optima (Callithea), see Asterope leprieuri optima
- optima (Zela zeus), see Zela zeus optimus
- optima Butler, 1869 (Callithea leprieuri), see Asterope leprieuri optima
- optima Dyar, [1920] (Scriptania), see Hexorthodes optima
- optima Reiss, 1939 (Zygaena), see Zygaena haberhaueri optima
- optima Walker, [1865] (Bizarda), see Milionia rawakensis
- optimana Dyar, 1893 (Eucosma)
- optimata Strecker, 1899, see Coryphista meadii
- optimus (Fruhstorfer, 1911) (Zela zeus)
- optimus (Butler, 1877) (Cresera)
- optimus (Röber, 1886) (Jamides celeno)
- optimus (Lampides celeno), see Jamides celeno optimus
- optimus (Lampides), see Jamides celeno optimus
- optimus (Prumala), see Cresera optimus
- optimus Butler, 1877 (Elysius), see Cresera optimus
- optimus Fruhstorfer, 1911 (Lotongus zeus), see Zela zeus optimus
- optimus Röber, 1886 (Plebejus), see Jamides celeno optimus
- optites Godman & Salvin, [1896] (Scantilla), see Staphylus vincula
- optiva Swinhoe, 1890 (Tarache), see Cophanta funestalis
- optivata (Walker, 1861) (Scopula)
- optivata Walker, 1861 (Acidalia), see Scopula optivata
- Opula Walker, 1869 (Thyrididae)
- opulenta (H. Edwards, 1881) (Arctia)
- opulenta (Christoph, 1877) (Dichromia)
- opulenta Brandt, 1941 (Dichagyris vallesiaca)
- opulenta Hreblay & Ronkay, 1998 (Auchmis)
- opulenta Hecq & van de Weghe, 2005 (Euphaedra)
- opulenta (Arctia caja), see Arctia opulenta
- opulenta (Hypena), see Dichromia opulenta
- opulenta (Ochropleura), see Dichagyris vallesiaca opulenta
- opulenta Boursin, 1957 (Bryonycta pineti ssp.), see Bryonycta pineti
- opulenta Brandt, 1941 (Dichagyris), see Dichagyris vallesiaca opulenta
- opulenta Butler, 1889 (Eliochroea), see Olivenebula pulcherrima
- opulenta Christoph, 1877 (Bomolocha), see Dichromia opulenta
- opulenta H. Edwards, 1881 (Euprepia), see Arctia opulenta
- opulenta Kardakoff, 1928, see Spilarctia luteum japonicum
- opulenta Schultz, 1905 (Lycaena jolas ab.), see Iolana iolas
- opulenta Vojnits, 1982 (Eupithecia), see Eupithecia exactata
- opulenta Walker, 1854 (Euchromia), see Chrysocale plebeia
- opulentana (Walker, 1864) (Cisthene)
- opulentana (Illice), see Cisthene opulentana
- opulentana Walker, 1864 (Maepha), see Cisthene opulentana
- opulentellus (Zeller, 1863) (Hednota)
- opulentellus Zeller, 1863 (Crambus), see Hednota opulentellus
- opuntialis Dyar, 1908 (Dicymolomia)
- opuscularia (Hulst, 1887) (Pterospoda)
- or (Denis & Schiffermüller, 1775) (Tethea)
- or (Euphaedra janetta), see Euphaedra janetta janetta
- or Denis & Schiffermüller, 1775 (Noctua), see Tethea or
- or Hecq, 1987 (Euphaedra janetta), see Euphaedra janetta janetta
- ora Schintlmeister, 1989 (Phalera)
- orabilis (Butler, 1872) (Eurytides)
- orabilis (Papilio), see Eurytides orabilis
- orabilis Butler, 1872 (Papilio), see Eurytides orabilis
- Orachrysops Vári in Vári & Kroon, 1986 (Polyommatinae)
- oraculella Kearfott, 1908 (Mesolia)
- orae (Barnes & Benjamin, 1926) (Achytonix epipaschia)
- orae Freeman, 1967 (Choristoneura)
- orae Barnes & Benjamin in Seitz, 1926 (Namangana epipaschia), see Achytonix epipaschia orae
- Oraesia Guenée in Boisduval & Guenée, 1852 (Calpinae)
- orahilia (Kheil) (Vindula erota)
- orahilia (Cynthia arsinoe var.), see Vindula erota orahilia
- oraia Doherty, 1891 (Delias)
- oraia (Delias descombesi), see Delias oraia
- Oraidium Bethune-Baker, 1914 (Polyommatinae)
- orana (Dietze, 1910) (Eupithecia)
- orana Evans, 1949 (Thymelicus acteon)
- Orana Griveaud, 1976 (Lymantriidae)
- orana (Lucas, 1849) (Eremopola)
- orana (Staudinger, 1901) (Thaumetopoea pityocampa)
- orana (Fischer von Röslerstamm, 1834) (Adoxophyes)
- orana Duponchel, 1835 (Zygaena)
- orana (Eremochlaena), see Eremopola orana
- orana (Notolophus), see Orgyia dubia
- orana Lucas, 1849 (Episema), see Eremopola orana
- orana Powell, 1916 (Orgyia dubia), see Orgyia dubia
- oranalis (Zerny, 1914) (Aglossa)
- oranaphtha Holloway, 1999 (Arctornis)
- oranaria Staudinger, 1892 (Tephronia)
- oranaria (Bang-Haas, 1906) (Euxoa)
- oranaria Bang-Haas, 1906 (Agrotis), see Euxoa oranaria
- oranaria Strand, 1911, see Drepana uncinula
- Oranasma Moore, 1883 (Danainae), see Euploea
- oranga Swinhoe, 1918 (Selepa)
- orangica (Henning & Henning, 1996) (Acraea parei)
- orangica Vári, 1971 (Torynesis)
- oranigra Lucas, 1889 (Lycaena), see Jamides phaseli
- oranoides (Boursin, 1953) (Eremopola)
- oranoides (Eremochlaena), see Eremopola oranoides
- oranoides Boursin, 1953 (Eremochlaena), see Eremopola oranoides
- orantes (Autochton), see Autochton zarex
- orantia (Cepora iudith), see Cepora judith orantia
- orantia Fruhstorfer, see Cepora judith orantia
- oranula Freyer, 1845 (Lycaena virgaureae), see Lycaena virgaureae virgaureae
- oraria Bálint & Benyamini, 2001 (Pseudolucia)
- oraria Van Son, 1949 [f] ( argia f.), see Nepheronia argia varia
- orasis Fruhstorfer, 1905 (Amathusia taenia)
- orasis Fruhstorfer, 1905 (Amathusia phidippus lombokiana f.), see Amathusia taenia orasis
- orasiusalis (Walker, 1859) (Palthis)
- orasiusalis Walker, 1859 (Palthis?), see Palthis orasiusalis
- orasus (Druce, 1876) (Pyrrhopygopsis socrates)
- orasus (Godman & Salvin, [1887]) (Thereus)
- orasus (Thecla), see Thereus orasus
- orasus Druce, 1876 (Erycides), see Pyrrhopygopsis socrates orasus
- orasus Godman & Salvin, [1887] (Thecla), see Thereus orasus
- orasusalis Walker, 1859 (Scopula), see Fumibotys fumalis
- oratha (Druce, 1893) (Cosmosoma)
- oratha Druce, 1893 (Autochloris), see Cosmosoma oratha
- orathidia Druce, 1898 (Cosmosoma)
- Oratoscelis Guenée, 1841 (Acontiinae), see Calymma
- oraula Meyrick, 1890 (Taxeotis)
- orba Mironov & Galsworthy, Galsworthy & Xue, 2004 (Eupithecia)
- orba (Smith, 1903) (Therasea)
- orba Kuznezov, 1903 (Catocala)
- orba Stichel, 1919 (Euselasia)
- orba Grote, 1877 (Thalpochares), see Ommatochila mundula
- orba Smith, 1903 (Conacontia), see Therasea orba
- orbalis Guenée, 1854, see Desmia ufeus
- orbana[sic=orbona] (Automolis), see Ormetica orbona
- orbaria (Swinhoe, 1904) (Eupithecia)
- orbaria Swinhoe, 1904 (Tephroclystia), see Eupithecia orbaria
- orbata Grum-Grshimailo, 1890 (Smerinthus kindermanni)
- orbata Berio, 1955 (Dysgonia)
- orbata (Smerinthus kindermannii), see Smerinthus kindermanni orbata
- orbata Grum-Grshimailo, 1890 (Smerinthus kindermanni var.), see Smerinthus kindermanni orbata
- orbata Möschler, 1883 (Caradrina), see Athetis pigra
- orbata Warren in Seitz, 1913 (Syngrapha interrogationis ab.), see Syngrapha interrogationis
- orbialbiocellaria Hein, 1936, see Cyclophora pendularia
- orbica (Hampson, 1905) (Orthodes)
- orbica (Hampson, 1910) (Hampsonodes)
- orbica Hampson, 1905 (Eriopyga), see Orthodes orbica
- orbica Hampson, 1910 (Calymniodes), see Hampsonodes orbica
- orbica Morrison, 1875 (Segetia), see Amyna axis
- orbicularia (Püngeler, 1904) (Chelegnophos)
- ?orbicularia Stichel, 1902 (Discophora necho cheops ab.), see Discophora necho cheops
- orbicularia Hübner, [1799] (Geometra), see Cyclophora pendularia
- orbicularis (Moore, 1888) (Epipsestis)
- orbicularis (Maassen, 1890) (Hyperthaema)
- orbicularis (Walker, 1854) (Peridrome)
- orbicularis (Barnes & McDunnough, 1912) (Oncocnemis)
- orbicularis Laporte, 1984 (Axylia)
- orbicularis Boursin, 1967 (Hermonassa)
- orbicularis Barnes & McDunnough, 1912 (Oxycnemis)
- orbicularis (Walker, 1858) (Aquis)
- orbicularis ("Aquis"), see Aquis orbicularis
- orbicularis (Laphygma), see Spodoptera albulum
- orbicularis Barnes & McDunnough, 1912 (Oxycnemis), see Oncocnemis orbicularis
- orbicularis Maassen, 1890 (Neritos), see Hyperthaema orbicularis
- orbicularis Moore, 1888 (Palimpsestis), see Epipsestis orbicularis
- orbicularis Smith, 1888 (Agrotis), see Euxoa taura
- orbicularis Strand, 1916 (Papaipema), see Papaipema nelita
- orbicularis Walker, 1854 (Hypsa), see Peridrome orbicularis
- orbicularis Walker, 1857 (Caradrina), see Spodoptera cilium
- orbicularis Walker, 1857 (Laphygma), see Spodoptera albulum
- orbicularis Walker, 1858 (Diomea), see Aquis orbicularis
- orbicularis Walker, 1865 (Agrotis), see Agrotis interjectionis
- orbiculata (Oberthür, 1881) (Hypercompe)
- orbiculata (Smith, 1891) (Ulolonche)
- orbiculata (Schaus, 1898) (Elaphria)
- orbiculata Joicey & Talbot, 1924 (Charidea semiaurata), see Marmax (Pompostola) semiaurata
- orbiculata Oberthür, 1881 (Ecpantheria), see Hypercompe orbiculata
- orbiculata Prout, 1920 (Organopoda), see Organopoda olivescens
- orbiculata Schaus, 1898 (Eurois), see Elaphria orbiculata
- orbiculata Smith, 1891 (Mamestra), see Ulolonche orbiculata
- orbiculata Smith, 1911, see Orthosia pulchella
- orbiculigera (Turner, 1936) (Thriponea)
- orbiculigera (Nanaguna), see Thriponea orbiculigera
- orbiculigera Turner, 1936 (Nanaguna), see Thriponea orbiculigera
- orbiculoides Woodforde, 1910, see Cyclophora albipunctata
- orbiculopendula Tutt, 1907, see Cyclophora pendularia
- orbiculosa Hreblay & Ronkay, 1998 (Paranyctycia)
- orbiculosa Esper, [1800] (Phalaena), see Oxytripia (Bombyx) orbiculosa
- orbidella Chrétien, 1901 (Scythris), see Scythris inertella
- orbifer (Hübner, [1823]) (Spialia)
- orbifer Hampson, 1916 (Paranerita)
- orbifer (Guenée, 1865) (Ctenoplusia)
- orbifer (Hampson, [1893]) (Formofentonia)
- orbifer (Agrapha), see Ctenoplusia orbifer
- orbifer Guenée, 1865 (Plusia), see Ctenoplusia orbifer
- orbifer Hampson, [1893] (Stauropus), see Formofentonia orbifer
- orbifera (Walker, 1857) (Magusa)
- orbifera (Hampson, 1894) (Negritothripa)
- orbifera Butler, 1868 (Lasiophila)
- orbifera (Lamprothripa), see Negritothripa orbifera
- orbifera Fiedler, 1933 (Catonephele), see Catonephele antinoe
- orbifera Hampson, 1894 (Argyrothripa), see Negritothripa orbifera
- orbifera Walker, 1857 (Xylina), see Magusa orbifera
- orbifera Walker, 1862, see Daphnusa ocellaris
- orbiferalis Hampson, 1898 (Syllepte)
- orbiferalis Hampson, 1898 (Sylepta), see Syllepte orbiferalis
- orbiferana Walker, 1863 (Hemonia)
- orbiferana Strand, 1916 (Magusa), see Magusa orbifera
- orbiferana Walker, 1863 (Heminia), see Hemonia orbiferana
- orbiferata (Walker, 1862) (Sewa)
- orbiferata (Macrocilix orbiferata), see Sewa orbiferata orbiferata
- orbiferata (Macrocilix), see Sewa orbiferata orbiferata
- orbiferata (Macrocilix), see Sewa orbiferata
- orbiferata (Sewa), see Sewa orbiferata orbiferata
- orbiferata Walker, 1862 (Abraxas), see Sewa orbiferata
- orbiferella Strand, 1916 (Magusa), see Magusa orbifera
- Orbifrons Staudinger, 1877 (Noctuinae), see Dichagyris
- orbigera (Mabille, 1888) (Heliopetes macaira)
- orbigera (Guenée, 1852) (Donuca)
- orbigera Guenée in Boisduval & Guenée, 1852 (Calliodes), see Donuca orbigera
- orbigera Herrich-Schäffer, [1856] (Coryphyala), see Tepilia biluna
- orbigera Mabille, 1888 (Leucochitonea), see Heliopetes macaira orbigera
- orbignyanus (Lucas, 1852) (Parides anchises)
- orbignyanus (Battus anchises), see Parides anchises orbignyanus
- orbignyanus (Papilio anchises), see Parides anchises orbignyanus
- orbignyanus Lucas, 1852 (Papilio), see Parides anchises orbignyanus
- orbilia Thieme, 1907 (Lasiophila prosymna ab.), see Lasiophila prosymna prosymna
- orbimaculata (Eurydoxa advena f.), see Eurydoxa advena
- orbimaculata Kurentsov, 1956 (Ceraceopsis advena), see Eurydoxa advena
- orbipalus Kielland, 1990 (Neita)
- orbipuncta Barnes & McDunnough, 1916 (Rynchagrotis), see Dichagyris triphaenoides
- orbipunctella Ragonot, 1887 (Hypochalcia)
- orbis (Grote, 1876) (Abagrotis)
- orbis Johnson & Smith, 1993 (Chlorostrymon)
- orbis (Poey, 1832) (Aphrissa)
- orbis (Phoebis), see Aphrissa orbis
- orbis Grote, 1876 (Agrotis), see Abagrotis orbis
- orbis Poey, 1832 (Callidryas), see Aphrissa orbis
- orbita Chu & Wang, 1980, see Callambulyx junonia
- orbitella Zeller, 1849 (Coleophora)
- orbitella Herrich-Schäffer, 1855 (Coleophora), see Coleophora lusciniaepennella
- orbitis Strand, 1916 (Triphaena variata ab.), see Abagrotis orbis
- orbitola Swinhoe, 1893 (Junonia), see Junonia orithya orthosia
- orbitula (Albulina orbitula), see Albulina orbitulus orbitulus
- orbitula (Albulina), see Albulina orbitulus
- orbitulinus (Staudinger, 1892) (Agriades diodorus)
- orbitulinus Staudinger, 1892 (Lycaena orbitulus var.), see Agriades diodorus orbitulinus
- orbitulus (de Prunner, 1798) (Albulina)
- ?orbitulus Scudder, see Aricia saepiolus amica
- orbitulus (Plebeius), see Albulina orbitulus
- orbitulus (Plebejus), see Albulina orbitulus
- orbitulus Esper, 1800 (Papilio), see Agriades glandon glandon
- orbitulus de Prunner, 1798 (Papilio), see Albulina orbitulus
- orbius (Godman, [1901]) (Carystoides sicania)
- orbius (Carystoides), see Carystoides sicania orbius
- orbius Godman in Godman & Salvin, [1901] (Themesion), see Carystoides sicania orbius
- orbius Mabille, 1883 (Pyrrhopyga), see Myscelus amystis epigona
- orbona (Schaus, 1889) (Ormetica)
- orbona (Druce, 1893) (Cyanopepla)
- orbona (Vollenhoven, 1863) (Asota)
- orbona Bang-Haas, 1912 (Hadula)
- orbona (Hufnagel, 1766) (Noctua)
- Orbona Hübner, [1821] (Xyleninae)
- orbona (Grum-Grshimailo, 1891) (Albulina)
- orbona (Boisduval, 1833) (Appias epaphia)
- orbona (Geyer, 1837) (Dixeia)
- orbona Godman, 1903 (Mesosemia)
- orbona Heinrich, 1937 (Rupela)
- ?orbona (Agriades glandon), see Albulina orbona
- orbona (Automolis), see Ormetica orbona
- orbona Boisduval, 1833 (Pieris), see Appias epaphia orbona
- orbona Druce, 1893 (Charidea), see Cyanopepla orbona
- orbona Fabricius, 1787 (Noctua), see Noctua comes
- orbona Geyer, 1837 (Mylothris), see Dixeia orbona
- orbona Grum-Grshimailo, 1891 (Lycaena), see Albulina orbona
- orbona Hufnagel, 1766 (Phalaena), see Noctua orbona
- orbona Schaus, 1889 (Automolis), see Ormetica orbona
- orbona Vollenhoven, 1863 (Hypsa), see Asota orbona
- orbonalis Guenée, 1854 (Leucinodes)
- orbonella (Hampson, 1900) (Cisthene)
- orbonella Hampson, 1900 (Lambula)
- ?orbonella (Darantasia), see Lambula orbonella
- orbonella Hampson, 1900 (Illice), see Cisthene orbonella
- orbonella Hübner, 1810-13, see Esperia sulpurella
- orboy Zolt. (Euthrix)
- orc (Strecker, 1893) (Acossus populi)
- orcas (Drury, 1782) (Aphnaeus)
- ?orcas (Celastrina), see Celastrina oreas
- ?orcas (Polygonia), see Nymphalis oreas
- orcas Drury, 1782 (Papilio), see Aphnaeus orcas
- orcella (Ragonot, 1887) (Myrlaea)
- orcella Ragonot, 1887 (Salebria), see Myrlaea orcella
- orchamus (Cramer, [1777]) (Xeniades)
- orchamus (Calpodes), see Xeniades orchamus
- orchamus (Papilio torquatus), see Papilio torquatus jeani
- orchamus Boisduval, 1836 (Papilio), see Papilio torquatus jeani
- orchamus Cramer, [1777] (Papilio), see Xeniades orchamus
- orchamus Godart, [1824] (Satyrus), see Pronophila orcus orcus
- orchamus Weymer, 1912 (Heliconius), see Heliconius ethilla mentor
- Orchemia Fernald, 1900 (nec Guenée, 1945) (Choreutidae), see Choreutis
- Orchemia Guenée, 1845 (Olethreutinae), see Cydia
- orchestris Stichel, 1910 (Chorinea octauius)
- orchewitsoni Adams & Bernard, 1979 (Pronophila epidipnis)
- orchewitsoni (Pronophila), see Pronophila epidipnis orchewitsoni
- orchewitsoni Adams & Bernard, 1979 (Pronophila), see Pronophila epidipnis orchewitsoni
- orchidea Bleszynski, 1970 (Ancylolomia)
- orchidella G. Petersen, 1962 (Infurcitinea)
- orchidivora (Turner, 1904) (Stericta)
- orchidivora Turner, 1904 (Orthaga), see Stericta orchidivora
- orchomenus Fruhstorfer, 1914 (Charaxes solon)
- orchomenus Fruhstorfer, 1913 (Cyrestis paulinus)
- orchomenus (Fruhstorfer, 1911) (Hipparchia autonoe)
- orchymonti Overlaet, 1945 (Cymothoe), see Cymothoe sangaris luluana
- orcidia (Druce, 1898) (Tripudia)
- orcidia (Hewitson, 1874) (Lamprospilus)
- orcidia (Calycopis), see Lamprospilus orcidia
- orcidia (Thecla), see Lamprospilus orcidia
- orcidia Druce in Godman & Salvin, 1898 (Agrophila), see Tripudia orcidia
- orcidia Hewitson, 1874 (Thecla), see Lamprospilus orcidia
- orcifera Walker (Cyclidia)
- orciferalis (Walker, [1859]) (Macrochilo)
- orciferalis (Hormisa), see Macrochilo orciferalis
- orciferalis Walker, [1859] (Hormisa?), see Macrochilo orciferalis
- orciferaria Walker, [1863] (Napuca)
- orciferarius (Aspitates), see Napuca orciferaria
- orcilla (Hewitson, 1874) (Calycopis)
- orcilla (Thecla), see Calycopis orcilla
- orcilla Hewitson, 1874 (Thecla), see Calycopis orcilla
- orcillula (Strand, 1916) (Calycopis)
- orcillula (Calystryma), see Calycopis orcillula
- orcillula Strand, 1916 (Thecla), see Calycopis orcillula
- orcinus (C. & R. Felder, [1867]) (Udranomia)
- orcinus (Hydraenomia), see Udranomia orcinus
- orcinus C. & R. Felder, 1867 (Eudamus), see Udranomia orcinus
- orcinus C. & R. Felder, [1867] (Eudamus), see Udranomia orcinus
- orcus (Stoll, [1780]) (Pyrgus)
- orcus (Edwards, 1869) (Glaucopsyche lygdamus)
- orcus (Latreille, [1813]) (Pronophila)
- orcus Eitschberger & Racheli, 1998 (Catasticta ferra)
- orcus (Pyrgus oileus), see Pyrgus orcus
- orcus (Taygetis), see Pronophila orcus
- orcus Edwards, 1869 (Lycaena lygdamus), see Glaucopsyche lygdamus orcus
- orcus Fabricius, 1793 (Hesperia), see Quadrus cerialis
- orcus Latreille, [1813] (Satyrus), see Pronophila orcus
- orcus Ronnicke, 1917, see Colias myrmidone myrmidone
- orcus Stoll, [1780] (Papilio), see Pyrgus orcus
- orcusides Strand, 1928, see Colias myrmidone myrmidone
- Orcya Johnson, 1990 (Theclinae), see Contrafacia
- Orcynia Walker, 1854 (Ctenuchinae)
- orcynia (Orcya), see Contrafacia imma
- orcynia (Thecla), see Contrafacia imma
- orcynia Hewitson, 1868 (Thecla), see Contrafacia imma
- orcynoides (Giacomelli, 1928) (Pyrgus)
- orcynoides (Pyrgus communis), see Pyrgus orcynoides
- orcynoides Giacomelli, 1928 (Hydraenomia), see Pyrgus orcynoides
- Ordemnias (Arctiinae), see Grammia
- ordenalis (Schaus, 1906) (Thursania)
- ordenalis Schaus, 1906 (Renia), see Thursania ordenalis
- ordgara Schaus, 1928 (Phalera)
- ordinalis Meyrick, 1914, see Ypsolopha falciferella
- ordinaria Bethune-Baker, 1913 (Zamarada)
- ordinaria (Schaus, 1894) (Elysius)
- ordinaria (Halisidota), see Elysius ordinaria
- ordinaria Schaus, 1894 (Pseudopistosia), see Elysius ordinaria
- ordinaria Walker, 1856 (Mamestra), see Apamea devastator
- ordinaria Walker, 1862 (Coremia), see Xanthorhoe propinqua
- ordinarius (Butler, 1879) (Dypterygia)
- ordinarius Butler, 1879 (Prometopus), see Dypterygia ordinarius
- ordinarius Druce in Godman & Salvin, 1898 (Prometopus), see Dypterygia ordinarius
- ordinarius Hayward, 1933 (Staphylus), see Staphylus incisus
- ordinata (Walker, 1862) (Digrammia)
- ordinata (Walker, 1861) (Scopula)
- ordinata (Karsch, 1895) (Laelia)
- ordinata Weymer, 1911 (Euptychia)
- ordinata (Liparis), see Lymantria inordinata
- ordinata (Semiothisa), see Digrammia ordinata
- ordinata Butler, 1880 (Ypthima), see Ypthima avanta
- ordinata Karsch, 1895 (Aroa), see Laelia ordinata
- ordinata Moore, 1883 (Rasuma), see Euploea algea
- ordinata Walker, 1862 (Fidonia), see Digrammia ordinata
- ordinata Walker, 1862, see Petrophora divisata
- ordinata Walker, 1865 (Agrotis), see Euxoa messoria
- Ordishia Watson, 1975 (Arctiinae)
- ordona (Fruhstorfer, 1909) (Lasiommata maera)
- ordona Fruhstorfer, 1909 (Pararge maera), see Lasiommata maera ordona
- ordubadensis Hannemann, 1959 (Agonopterix)
- ordubadi (Forster, 1938) (Plebejus zephyrinus)
- ordubadi (Plebejides zephyrinus), see Plebejus zephyrinus ordubadi
- ordubadi Forster, 1938 (Lycaena), see Plebejus zephyrinus ordubadi
- ?ordys (Phyciodes), see Anthanassa ardys
- orea (Hübner, [1823]) (Epiphile)
- orea Hübner, [1823] (Temenis), see Epiphile orea
- orea Ménétriés, 1855 (Apatura), see Doxocopa callianira
- oreadella Hulst, 1888 (Uinta)
- oreades (Druce, 1893) (Melanoscia)
- oreades (Erycides), see Phocides oreides oreides
- oreades Druce in Godman & Salvin, 1893 (Nephodia), see Melanoscia oreades
- oreala (Hewitson, 1868) (Strymon)
- oreala (Thecla), see Strymon oreala
- oreala Hewitson, 1868 (Thecla), see Strymon oreala
- oreana (Swinhoe, 1910) (Celastrina oreas)
- Oreana Hulst, 1888 (Phycitinae)
- oreana (Lycaenopsis oreas), see Celastrina oreas oreana
- oreana Swinhoe, 1910 (Lycaenopsis), see Celastrina oreas oreana
- oreandra Fruhstorfer, 1909 (Eunica cinara), see Eunica alpais alpais
- oreas (Leech, [1893]) (Celastrina)
- oreas Tite, 1964 (Lepidochrysops)
- oreas Tite & Dickson, 1968 (Aloeides)
- oreas (Trimen, 1891) (Chrysoritis)
- oreas Tite, 1963 (Philiris)
- oreas Libert, 2004 (Pilodeudorix mimeta)
- oreas Talbot,1932 (Charaxes acuminatus)
- oreas Weymer, 1899 (Hypoleria lavinia)
- oreas Sharpe, 1891 (Acraea)
- oreas Leech, [1892] (Araschnia)
- oreas (Edwards, 1869) (Nymphalis)
- oreas (Salvin, 1871) (Dismorphia zaela)
- oreas Talbot, 1928 (Delias sanaca)
- oreas Stichel, 1915 (Mesosemia naiadella)
- oreas (Schaus, 1892) (Cibyra)
- oreas (Hudson, 1920) (Dioxycanus)
- Oreas C. & R. Felder, [1865] (Riodinidae), see Melanis
- Oreas Hübner, [1806] (Satyrinae), see Brintesia
- Oreas Hübner, [1807] (Satyrinae), see Haetera
- Oreas Oken, 1815 (Satyrinae), see Brintesia
- oreas (Araschnia davidis), see Araschnia oreas
- oreas (Celastrina huegeli), see Celastrina oreas
- oreas (Charaxes acumanatus), see Charaxes acuminatus oreas
- oreas (Corbulis), see Hypoleria lavinia oreas
- oreas (Enantia), see Dismorphia zaela oreas
- oreas (Leptalis), see Dismorphia zaela oreas
- oreas (Lycaenopsis oreas), see Celastrina oreas oreas
- oreas (Lycaenopsis), see Celastrina oreas
- oreas (Maslowskia), see Celastrina oreas
- oreas (Paragorgopis), see Cibyra oreas
- oreas (Polygonia), see Nymphalis oreas
- oreas Edwards, 1869 (Grapta), see Nymphalis oreas
- oreas Grum-Grshimailo, 1893 (Colias lada ab.), see Colias lada
- oreas Hudson, 1920 (Porina), see Dioxycanus oreas
- oreas Le Cerf, 1912 (Epinephele telmessia var.), see Maniola telmessia
- oreas Leech, [1893] (Cyaniris), see Celastrina oreas
- oreas Mabille & Boullet, 1912 (Phocides), see Phocides yokhara charonotis
- oreas Püngeler, 190 (Agrotis), see Rhyacia (Lycophotia) oreas
- oreas Salvin, 1871 (Leptalis), see Dismorphia zaela oreas
- oreas Schaus, 1892 (Dalaca), see Cibyra oreas
- oreas Talbot, 1932 (Charaxes fulvescens), see Charaxes acuminatus oreas
- oreas Trimen, 1891 (Zeritis), see Chrysoritis oreas
- oreas Tsukada, 1985 (Kaniska canace), see Nymphalis canace
- oreas Weymer, 1899 (Hypoleria), see Hypoleria lavinia oreas
- oreba (Butler, 1870) (Harjesia)
- oreba (Euptychia), see Harjesia oreba
- oreba Butler, 1870 (Euptychia), see Harjesia oreba
- orecoasta Scott, 1981 (Ochlodes sylvanoides)
- Orecta Rothschild & Jordan, 1903 (Smerinthinae)
- orectis Meyrick, 1890 (Dichromodes)
- Orectis Lederer, 1857 (Herminiinae)
- oregona Smith, 1902 (Leucania), see Leucania farcta
- oregonana (Walsingham, 1879) (Pseudexentera)
- oregonana (Exentera improbana), see Pseudexentera oregonana
- oregonana Walsingham, 1879 (Semasia), see Pseudexentera oregonana
- oregonella (Barnes & McDunnough, 1918) (Tulsa)
- oregonella (Busck, 1900) (Nemapogon)
- oregonella (Walsingham, 1880) (Lampronia)
- oregonensis Clarke, 1941 (Agonopterix)
- oregonensis (Swett, 1917) (Archiearis infans)
- oregonensis (Stretch, 1874) (Cycnia)
- oregonensis Harvey, 1876 (Lithophane georgii)
- oregonensis Butler, 1881 (Nadata)
- oregonensis (Barnes & McDunnough, 1917) (Euphilotes intermedia)
- oregonensis Gorelick, [1970] (Callophrys perplexa)
- oregonensis (Bauer, 1975) (Chlosyne leanira)
- oregonensis (Heinrich, 1923) (Phaneta)
- oregonensis (Callophrys dumetorum), see Callophrys perplexa oregonensis
- oregonensis (Euchaetes), see Cycnia oregonensis
- oregonensis (Euchaetias), see Cycnia oregonensis
- oregonensis (Thessalia leanira), see Chlosyne leanira oregonensis
- oregonensis (Uphilotes battoides), see Euphilotes intermedia oregonensis
- oregonensis Barnes & McDunnough, 1917 (Philotes intermedia), see Euphilotes intermedia oregonensis
- oregonensis Bauer, 1975 (Thessalia leanira), see Chlosyne leanira oregonensis
- oregonensis Cassino, 1927 (Nemoria), see Nemoria darwiniata darwiniata
- oregonensis Gorelick, [1970] (Callophrys dumetorum), see Callophrys perplexa oregonensis
- oregonensis Harvey, 1876 (Lithophane), see Lithophane georgii oregonensis
- oregonensis Stretch, 1874 (Euchaetes), see Cycnia oregonensis
- oregonia (Edwards, 1883) (Hesperia colorado)
- ?oregonia (Papilio bairdii), see Papilio machaon oregonius
- ?oregonia W. G. Wright, 1905, not Edwards, 1883, see Hesperia colorado harpalus
- oregonia (Erynnis comma), see Hesperia colorado oregonia
- oregonia (Hesperia comma), see Hesperia colorado oregonia
- oregonia Edwards, 1876 (Papilio hippocrates var.), see Papilio machaon oregonius
- oregonia Edwards, 1883 (Pamphila), see Hesperia colorado oregonia
- oregonica (Grote, 1881) (Hadula)
- oregonica (H. Edwards, 1875) (Heliothis)
- oregonica (Grote, 1880) (Catoptria)
- oregonica (Discestra), see Hadula oregonica
- oregonica Grote, 1881 (Mamestra trifolii var.), see Hadula oregonica
- oregonica H. Edwards, 1875 (Melicleptria), see Heliothis oregonica
- oregonicus (Heliothis), see Heliothis oregonica
- oregonius Edwards, 1876 (Papilio machaon)
- oregonius (Papilio bairdii), see Papilio machaon oregonius
- oregonius (Papilio), see Papilio machaon oregonius
- Oregyia (Lymantriidae), see Orgyia
- oreias (Fletcher, 1959) (Leumicamia)
- oreias Turner, 1915 (Heliothela)
- oreias Fletcher, 1959 (Mimleucania), see Leumicamia oreias
- oreides (Hewitson, 1875) (Phocides)
- oreides Hewitson, 1875 (Erycides), see Phocides oreides
- oreina Dufay, 1984 (Chersotis)
- oreina Diakonoff, 1979 (Anthophila)
- Oreinobia (Lymantriidae), see Polymona
- Oreinobia Wallengren, 1865 (Lymantriidae), see Polymona
- oreinus Sheljuzhko, 1919 (Papilio machaon)
- oreios Miller, 1986 (Pseudexentera)
- Oreisplanus Waterhouse & Lyell, 1914 (Trapezitinae)
- Oreixenica Waterhouse & Lyell, 1914 (Satyrinae)
- orejoni Agenjo, 1951 (Agrochola)
- orejus Hopffer, 1855 (Jolaus), see Hypolycaena philippus
- orellana (Hewitson, 1852) (Parides)
- orellana (Papilio), see Parides orellana
- orellana Hewitson, 1852 (Papilio), see Parides orellana
- orellanae Neild, 1996 (Adelpha cocala)
- oremansi Libert, 2005 (Ornipholidotos)
- oremansi Hecq, 1994 (Bebearia)
- oremansi Hecq, 1996 (Euphaedra)
- Orenaia Duponchel, 1845 (Evergestinae)
- orenburgensis Bartel, 1902 (Dyschorista fissipuncta var.), see Fissipunctia ypsillon
- Oreocossus Aurivillius, 1910 (Cossidae)
- oreodactylus Zeller, 1852 (Pterophorus), see Stenoptilia stigmatodactylus
- oreodaphne H. Edwards, 1873 (Sphinx), see Sphinx chersis
- Oreodonta Kiriakoff, 1967 (Stauropinae), see Acmeshachia
- oreodoxa Marten, 1944 (Zygaena), see Zygaena algira
- Oreogenes Stichel, 1899 (Danainae), see Hyalyris
- oreoides (Evans, 1925) (Celastrina huegelii)
- oreolinta (Toxopeus, 1948) (Euproctis)
- oreolinta Toxopeus, 1948 (Micronygmia), see Euproctis oreolinta
- Oreolyce Toxopeus, 1927 (Polyommatinae)
- oreon (Pachliopta), see Atrophaneura (Menelaides) oreon
- oreon (Papilio), see Atrophaneura (Menelaides) oreon
- oreon Doherty, 1891 (Papilio), see Atrophaneura (Menelaides) oreon
- oreophila Staudinger, 1892 (Fergana)
- Oreopola Turner, 1940 (Lithosiinae)
- oreopola Hayward, 1949 (Itylos), see Paralycaeides vapa
- Oreopsyche Speyer, 1865 (Oiketicinae)
- oreosaura (Swinhoe, 1894) (Euproctis)
- oreosaura (Nygmia), see Euproctis oreosaura
- oreosaura Swinhoe, 1894 (Adlullia), see Euproctis oreosaura
- oresbios Fruhstorfer, 1912 (Opsiphanes quiteria), see Opsiphanes quiteria meridionalis
- oresitropha Turner, 1947 (Psilosticha)
- oressarcha Turner, 1921 (Anthela)
- Oressaula Turner, 1913 (Crambinae), see Tauroscopa
- oressigenes Turner, 1925 (Dasygaster)
- Oressinoma Doubleday, [1849] (Satyrinae)
- orest Schintlmeister, 1997 (Periergos)
- oresta Fruhstorfer, 1913 (Neptis celebica)
- oresta Fruhstorfer, 1913 (Neptis vikasi), see Neptis celebica oresta
- orestella Powell, 1973 (Ethmia)
- orestera Collenette, 1932 (Lymantria)
- orestes (Boisduval, 1875) (Automeris)
- orestes (Schaus, 1914) (Drobeta)
- orestes Salvin, 1871 (Melinaea menophilus)
- orestes de Prins & Poorten, 1981 (Pseudochazara)
- orestes (Walker, 1854) (Synpalamides)
- orestes (Hipparchia), see Pseudochazara orestes
- orestes (Lampides), see Jamides philatus philatus
- orestes (Nygmia), see Mylantria xanthospila
- orestes (Nymula), see Synargis orestessa
- orestes Cramer, 1780 (Papilio), see Synargis orestessa
- orestes Druce, 1887 (Chaerotriche), see Mylantria xanthospila
- orestes Fabricius, 1793 (Papilio), see Graphium nomius
- orestes Meerburgh, [1777] (Papilio), see Papilio androgeus androgeus
- orestes Röber, 1886 (Plebeius), see Jamides philatus philatus
- orestes Salvin, 1871 (Melinaea), see Melinaea menophilus orestes
- orestes Schaus, 1914 (Angitia), see Drobeta orestes
- orestes W. H. Edwards, 1877 (Eudamus), see Achalarus casica
- orestes Walker, 1854 (Castnia), see Synpalamides orestes
- orestes Weber, 1944 (Morpho leonte), see Morpho achilles phokylides
- orestessa Hübner, [1819] (Synargis)
- orestheion Fruhstorfer, 1914 (Euripus nyctelius)
- orestia Hewitson, 1874 (Acraea)
- orestias Prout, 1934 (Comostola)
- orestias (Fruhstorfer, 1913) (Lexias aeropa)
- Orestias C. & R. Felder, 1862 (Riodinidae), see Cartea
- orestias Fruhstorfer, 1913 (Euthalia aeropus), see Lexias aeropa orestias
- orestilla (Hewitson, 1867) (Megoleria)
- orestilla (Fruhstorfer, 1910) (Tirumala limniace)
- orestilla (Megoleria susiana), see Megoleria orestilla
- orestilla (Oleria), see Megoleria orestilla
- orestilla Fruhstorfer, 1910 (Danaida limniace), see Tirumala limniace orestilla
- orestilla Hewitson, 1867 (Ithomia), see Megoleria orestilla
- orestina Plötz, 1880 (Acraea), see Acraea orestia
- Oreta Walker, 1855 (Drepaninae)
- oreta (Acraea), see Acraea orina
- oreta Hewitson, 1874 (Acraea), see Acraea orina
- Oretella Strand, 1916 (Drepaninae), see Oreta
- oretorix (Catoblepia), see Catoblepia orgetorix
- Oreus Hübner, [1819] (Macroglossinae), see Theretra
- oreus (Pyrgus), see Pyrgus orcus
- oreus (Pythonides), see Quadrus cerialis
- orfeda (Fruhstorfer, 1904) (Vagrans egista)
- orfeda Fruhstorfer, 1904 (Issoria egista), see Vagrans egista orfeda
- orfita (Cramer, [1777]) (Euselasia)
- orfita (Eurygona), see Euselasia orfita
- orfita Cramer, [1777] (Papilio), see Euselasia orba orba
- orfita Cramer, [1777] (Papilio), see Euselasia orfita
- orfordata Cassino, 1927 (Eupithecia), see Eupithecia annulata
- orfordensis (Nematocampa limbata), see Nematocampa resistaria
- orfordensis Cassino & Swett, 1922 (Nematocampa limbata), see Nematocampa resistaria
- Orgalima Walker, 1866 (Desmobathrinae), see Alex
- organensis (Ferris, 1980) (Satyrium polingi)
- organensis Ferris, 1980 (Fixsenia polingi), see Satyrium polingi organensis
- Organognophos Wehrli, 1951 (Ennominae), see Charissa
- Organomiza Wehrli, 1936 (Ennominae), see Nothomiza
- Organopoda Hampson, 1893 (Sterrhinae)
- orgas (Aphnaeus), see Aphnaeus orcas
- orgetorix (Hewitson, 1870) (Catoblepia)
- orgetorix (Catoblebia orgetorix), see Catoblepia orgetorix orgetorix
- orgetorix (Catoblebia), see Catoblepia orgetorix
- orgetorix (Opsiphanes), see Catoblepia orgetorix
- orgetorix Hewitson, 1870 (Opsiphanes), see Catoblepia orgetorix
- orgetoryx (Catoblebia), see Catoblepia orgetorix
- Orghidania Capuse, 1971 (Coleophoridae), see Coleophora
- orgia (Hewitson, 1867) (Parrhasius)
- orgia (Panthiades), see Parrhasius orgia
- orgia (Thecla), see Parrhasius orgia
- orgia Hewitson, 1867 (Thecla), see Parrhasius orgia
- orgiae (Grote, 1875) (Phytometra)
- orgiophantes Clench, 1979 (Parrhasius orgia), see Parrhasius orgia
- orgowa Teich, 1901, see Fabriciana niobe gigantea
- Orgya Zetterstedt, [1839] (Lymantriidae), see Orgyia
- Orgyia Ochsenheimer, 1810 (Lymantriidae)
- Orgyiidae (Noctuoidea), see Lymantriidae
- Orgyiodes Felder, 1874 (Ennominae)
- orgyioides Aurivillius, 1925 (Dasychira)
- orgyioides (van Eecke, 1928) (Orgyia)
- orgyioides (Euproctis), see Bembina isabellina
- orgyioides van Eecke, 1928 (Euproctis), see Bembina isabellina
- orgyioides van Eecke, 1928 (Euproctis), see Orgyia orgyioides
- Orgyja (Lymantriidae), see Orgyia
- orgyoides (Walker, 1864) (Adrapsa)
- orgyoides (Murgisa), see Adrapsa orgyoides
- orgyoides Walker, 1864 (Murgisa), see Adrapsa orgyoides
- orhanti Haxaire, 2001 (Clanis)
- ?-orhosiini stretchia (Hadeninae), see Stretchia
- oria Evans, 1952 (Drephalys)
- Oria Hübner, [1821] (Xyleninae)
- Oria Guenée, 1852 (Heliothinae), see Schinia
- oriadelpha Turner, 1926 (Melitulias)
- oriana (Hewitson, 1859) (Hypoleria sarepta)
- oriana (Corbulis), see Hypoleria sarepta oriana
- oriana (Hypoleria), see Hypoleria sarepta oriana
- oriana Hewitson, 1859 (Ithomia), see Hypoleria sarepta oriana
- oriana Kirby, [1900] (Junonia), see Junonia genoveva hilaris
- oriander (Hewitson, 1867) (Drephalys)
- oriander (Paradros), see Drephalys oriander
- oriander Hewitson, 1867 (Eudamus), see Drephalys oriander
- orianula Bryk, 1953 (Hypoleria sarepta)
- orias Wehrli, 1931 (Eilicrinia)
- orias (Hreblay, 1996) (Harutaeographa)
- orias (Ronkay & Varga, 1993) (Eremohadena)
- oriaula Tams & Bowden, 1953 (Sesamia)
- oribac Barnes, 1904 (Cucullia)
- oribae[sic?] (Cucullia), see Cucullia oribac
- oribasus Herrich-Schäffer, 1846 (Zygaena), see Zygaena fraxini
- oribata (Weymer, 1890) (Strymon)
- oribata (Penaincisalia), see Strymon oribata
- oribata Weymer in Weymer & Maassen, 1890 (Thecla), see Strymon oribata
- oribates Turner, 1922 (Larentia)
- Oribates H. Edwards, 1881 (Odontiinae), see Gyros
- oribates Collenette, 1955 (Dasychira), see Calliteara enneaphora
- oribates West, 1932 (Phazaca), see Monobolodes prunaria
- oribazoides Carpenter, 1935 (Papilio aethieps f.), see Papilio microps
- oribazus Boisduval, 1836 (Papilio)
- oribazus (Druryia), see Papilio oribazus
- oribia Druce, 1885 (Josia)
- orichalcea Stainton, 1861 (Cosmopterix)
- orichalcea (Fabricius, 1775) (Thysanoplusia)
- orichalcea Henning & Henning, 1996 (Axiocerses bambana)
- orichalcea (Diachrysia), see Thysanoplusia orichalcea
- orichalcea Fabricius, 1775 (Noctua), see Thysanoplusia orichalcea
- orichalceus Stichel, 1916 (Emesis)
- orichalcociliella Strand, 1911 (Diatraea), see Chilo orichalcociliellus
- orichalcociliellus (Strand, 1911) (Chilo)
- orichora (Meyrick, 1885) (Oreixenica)
- orichora Meyrick, 1885 (Xenica), see Oreixenica orichora
- orichroa, see Oreixenica orichora
- Oricia Walker, 1854 (Dioptinae)
- oricus (Edwards, 1879) (Hesperopsis alpheus)
- oricus (Pholisora alpheus), see Hesperopsis alpheus oricus
- oricus (Polyommatus daphnis), see Polyommatus daphnis daphnis
- oricus Edwards, 1879 (Pholisora alpheus), see Hesperopsis alpheus oricus
- oricus Fruhstorfer, 1910 (Lycaena), see Polyommatus daphnis daphnis
- orida (Boisduval, 1832) (Mimene)
- orida (Smith, 1903) (Scotogramma)
- orida Smith, 1903 (Mamestra), see Scotogramma orida
- Oriens Evans, 1932 (Hesperiinae)
- oriens (Butler, 1883) (Zizina otis)
- oriens Plantrou, 1989 (Charaxes pleione)
- oriens Butler, 1870 (Mesene margaretta)
- oriens Butler, 1875, see Marumba dyras
- oriens Butler, 1876 (Teracolus), see Colotis fausta
- oriens Butler, 1883 (Zizera), see Zizina otis oriens
- oriens Inoue & Sugi, 1958 (Apatele rumicis), see Acronicta rumicis
- oriens Rothschild, 1917 (Diacrisia), see Saenura flava
- oriens Warren, 1911 (Parastichtis funerea), see Apamea aquila
- orientalides Verity, 1908 (Euchloe), see Euchloe creusa
- orientalides Verity, [1908] (Euchloe belia var. creusa gen.aest. var. ausonides f.), see Euchloe hyantis hyantis
- orientalis (Lemaire, 1976) (Dirphiopsis flora)
- orientalis Lemaire, 1975 (Copaxa)
- orientalis (Austaut, 1905) (Hyles nicaea)
- orientalis Brechlin, 2001 (Psilogramma)
- orientalis (Werny, 1966) (Tethea ocularis)
- orientalis (Staudinger, 1892) (Lomographa)
- orientalis (Holloway, 1982) (Herochroma)
- orientalis Wehrli, 1923 (Jodis putata)
- orientalis (Osthelder, 1909) (Epirrhoe pupillata)
- orientalis (Alphéraky, 1876) (Scopula)
- ?orientalis (Aurivillius, 1925) (Metisella)
- orientalis Reverdin, 1913 (Carcharodus)
- orientalis Moore, 1878 (Arctia caja)
- orientalis Walker, 1885 (Areas galactina)
- orientalis Rothschild, 1922 (Azatrephes argyrothis)
- orientalis Nakamura, 1976 (Creatonotos transiens)
- orientalis Rothschild, 1909 (Halysidota)
- orientalis Rothschild, 1933 (Neidalia)
- orientalis (Hampson, 1905) (Macotasa)
- orientalis Holloway, 2001 (Thumatha)
- orientalis (Daniel, 1939) (Parocneria detrita)
- orientalis Mann, 1862 (Acronicta)
- orientalis Rungs, 1975 (Clytie tropicalis)
- orientalis Ronkay & Ronkay, 1994 (Cucullia lindei)
- orientalis (Alphéraky, 1882) (Lasionycta)
- orientalis (Staudinger, 1901) (Hypenodes)
- orientalis Boursin, 1948 (Cerastis)
- orientalis Fibiger, 1997 (Agrochola)
- orientalis (Boursin, 1936) (Caradrina gilva)
- orientalis Sugi, 1982 (Coenobia)
- orientalis Hampson, 1912 (Bryophilopsis)
- orientalis (Hampson, 1894) (Hylophilodes)
- orientalis Holloway, 1976 (Risoba)
- orientalis Cottrell, 1981 (Aslauga)
- orientalis (Forster, 1980) (Chilades trochylus)
- orientalis (Stempffer, 1962) (Cupidesthes arescopa)
- orientalis (Joicey & Talbot, 1916) (Megisba strongyle)
- orientalis Eliot & Kawazoé, 1983 (Neopithecops sumbanus)
- orientalis Krziwitzky, 1983 (Polyommatus boisduvalii)
- orientalis (Roche, 1954) (Cephetola)
- orientalis (Bethune-Baker, 1906) (Falcuna)
- orientalis Jackson, 1962 (Neaveia lamborni)
- orientalis (Swanepoel, 1976) (Chrysoritis)
- orientalis (Murray, 1875) (Favonius)
- orientalis (Stempffer, 1957) (Pilodeudorix congoana)
- orientalis Attal, 1999 (Asterope degandii)
- orientalis (Ungemach, 1932) (Acraea aganice)
- orientalis (Alphéraky, 1881) (Fabriciana niobe)
- orientalis Godman & Salvin, 1888 (Libythea geoffroy)
- orientalis Elwes, 1888 (Athyma)
- orientalis Rothschild, 1898 (Euphaedra)
- orientalis (Bristow, 1981) (Catoblepia xanthicles)
- orientalis (Herrich-Schäffer, [1851]) (Euphydryas)
- orientalis Elwes, 1900 (Erebia)
- orientalis Rühl, [1894] (Lasiommata maera)
- orientalis Viloria & Camacho, 1999 (Lymanopoda)
- orientalis Kurentzov, 1970 (Oeneis melissa)
- orientalis Romanoff, 1884 (Papilio alexanor)
- orientalis Verity, 1911 (Parnassius mnemosyne)
- orientalis Staudinger, 1892 (Colias palaeno)
- orientalis Rothschild (Appias celestina)
- orientalis (Bremer, 1864) (Euchloe)
- orientalis Talbot, 1946 (Mylothris citrina)
- orientalis Fruhstorfer, 1903 (Prioneris autothisbe)
- orientalis (Lathy, 1922) (Athis superba)
- orientalis Westwood, 1877 (Tascina)
- orientalis Kozhanchikov, 1956 (Apterona)
- orientalis Dierl, 1977 (Megalophanes viciella)
- orientalis Petersen, 1961 (Nemapogon)
- orientalis Nielsen & Kristensen, 1989 (Fraus)
- ?orientalis Butler, 1886 (Toxocampa), see Lygephila dorsigera
- ?orientalis Rothschild, 1916 (Taenaris dioptrica), see Taenaris dioptrica
- ?orientalis Röber, 1891 (Elymnias undularis var.), see Elymnias hypermnestra
- ?orientalis Scheven, [1975] (Charaxes richelmanni), see Charaxes richelmanni scheveni
- orientalis (Arctia), see Arctia caja orientalis
- orientalis (Argynnis niobe), see Fabriciana niobe orientalis
- orientalis (Bematistes aganice), see Acraea aganice orientalis
- orientalis (Catoblebia xanthicles), see Catoblepia xanthicles orientalis
- orientalis (Catocala), see Catocala puerpera
- orientalis (Elymnias nigrescens), see Elymnias hypermnestra
- orientalis (Epitola), see Cephetola orientalis
- orientalis (Eresiomera paradoxa), see Pseuderesia paradoxa orientalis
- orientalis (Euchloe creusa), see Euchloe orientalis
- orientalis (Euchromia polymena), see Euchromia polymena
- orientalis (Eurodryas), see Euphydryas orientalis
- orientalis (Exsula victrix ssp.), see Exsula victrix
- orientalis (Halisidota underwoodi), see Halysidota orientalis
- orientalis (Libythea geoffroyi), see Libythea geoffroy orientalis
- orientalis (Megisba malaya), see Megisba strongyle orientalis
- orientalis (Neozephirus), see Favonius orientalis
- orientalis (Notolophus), see Orgyia trigotephras
- orientalis (Papilio cacicus), see Papilio cacicus nesrinae
- orientalis (Papilio polidamas), see Papilio alexanor orientalis
- orientalis (Parathyma opalina), see Athyma orientalis
- orientalis (Pericallia galactina), see Areas galactina orientalis
- orientalis (Pieris rapae), see Pieris rapae crucivora
- orientalis (Prokuekenthaliella baumanni), see Issoria baumanni orientalis
- orientalis (Protoparce), see Agrius convolvuli
- orientalis (Schrankia), see Hypenodes orientalis
- orientalis Alpheraky, 1881 ( callidice), see Pontia callidice amaryllis
- orientalis Alphéraky, 1881 (Argynnis niobe var.), see Fabriciana niobe orientalis
- orientalis Alphéraky, 1882 (Dianthoecia), see Lasionycta orientalis
- orientalis Amsel, 1961 (Pyralis), see Pyralis farinalis
- orientalis Apolinar, 1924 (Papilio rhodostictus nymphius), see Papilio isidorus brises
- orientalis Aurivillius, 1925 (Cyclopides metis), see Metisella orientalis
- orientalis Austaut, 1905 (Deilephila nicaea var.), see Hyles nicaea orientalis
- orientalis Bethune-Baker, 1906 (Liptena libyssa), see Falcuna orientalis
- orientalis Boullet & Le Cerf, 1912 (Papilio cacicus), see Papilio cacicus nesrinae
- orientalis Boursin, 1936 (Athetis gilva), see Caradrina gilva orientalis
- orientalis Boursin, 1963 (Amathes ditrapezium), see Xestia ditrapezium
- orientalis Brandt, 1939 (Tarache biskrensis), see Acontia biskrensis
- orientalis Bremer, 1864 (Anthocharis belemia var.), see Euchloe orientalis
- orientalis Bristow, 1981 (Catoblebia xanthicles), see Catoblepia xanthicles orientalis
- orientalis Bryk, 1944, see Rhagastis gloriosa
- orientalis Brévignon & Gallard, 1995 (Argyrogrammana holosticta), see Argyrogrammana stilbe stilbe
- orientalis Butler, 1875 (Eusemia), see Exsula victrix
- orientalis Butler, 1876 (Euchromia), see Euchromia polymena
- orientalis Butler, 1876 (Protoparce), see Agrius convolvuli
- orientalis Butler, 1876, see Macroglossum sitiene
- orientalis Chapman, 1913 (Agriades thersites), see Polyommatus thersites orientis
- orientalis Clark, 1936, see Rufoclanis rosea
- orientalis D'Abrera, 1994 (Menander cicuta), see Menander clotho
- orientalis Daniel, 1939 (Ocneria detrita), see Parocneria detrita orientalis
- orientalis Daniel, 1950 (Syntomis phegea), see Amata phegea
- orientalis Ebert, 1969, see Hyles robertsi elisabethae
- orientalis Elwes, 1900 (Erebia epiphron var.), see Erebia orientalis
- orientalis Fabricius (Pyralis), see Uresiphita gilvata
- orientalis Fixsen, 1887 (Pygaera anastomosis var.), see Clostera anastomosis
- orientalis Forster, 1980 (Freyeria trochylus), see Chilades trochylus orientalis
- orientalis Godman & Salvin, 1888 (Libythea), see Libythea geoffroy orientalis
- orientalis Goltz, 1930 ( pandrose), see Erebia pandrose yernikensis
- orientalis Grote, 1882 (Tapiostola), see Hypocoena inquinata
- orientalis Grum-Grshimailo, 1899, see Colias hecla orientis
- orientalis Hampson, 1894 (Glottula), see Polytela cliens
- orientalis Hampson, 1894 (Halias), see Hylophilodes orientalis
- orientalis Hampson, 1905 (Phaeosia), see Macotasa orientalis
- orientalis Hayward, 1967 (Ancyloxypha melanoneura), see Copaeodes jean favor
- orientalis Herrich-Schäffer, 1856, see Melitaea didyma
- orientalis Herrich-Schäffer, [1850] (Xylophasia), see Aporophyla australis australis
- orientalis Herrich-Schäffer, [1851] (Melitaea), see Euphydryas orientalis
- orientalis Holloway, 1976 (Risoba sticticata), see Risoba orientalis
- orientalis Holloway, 1979 (Horisme), see Horisme xylinata
- orientalis Holloway, 1982 (Archaeobalbis), see Herochroma orientalis
- orientalis Hulstaert, 1924 (Hyperlopha), see Hyperlopha cristifera
- orientalis Joicey & Talbot, 1916 (Megisba), see Megisba strongyle orientalis
- orientalis Joicey & Talbot, 1918 (Charaxes smaragdalis), see Charaxes smaragdalis homonymus
- orientalis Kardakov, 1928 ( edusa), see Pontia edusa davendra
- orientalis Kielland, 1990, see Issoria baumanni orientalis
- orientalis Krulikovsky, 1912 (Naenia typica r.), see Naenia typica
- orientalis Krüger, 1925 (Morpho var.), see Morpho sulkowskyi sulkowskyi
- orientalis Kurenzov, 1970, see Plebejus argus coreanus
- orientalis Lanz, 1896 (Charaxes castor var.), see Charaxes castor flavifasciatus
- orientalis Lathy, 1922 (Aciloa), see Athis superba orientalis
- orientalis Le Moult, 1947, see Apatura ilia praeclara
- orientalis Lemaire, 1975 (Copaxa semioculata), see Copaxa orientalis
- orientalis Lemaire, 1976 (Dirphia flora), see Dirphiopsis (Dirphiopsis) flora orientalis
- orientalis Moore, 1878 (Arctia), see Arctia caja orientalis
- orientalis Murray, 1875 (Dipsas), see Favonius orientalis
- orientalis Ménétriés, 1859, see Mellicta menetriesi
- orientalis Oberthür, 1880 (Pieris rapae var.), see Pieris rapae crucivora
- orientalis Oberthür, 1916, see Malacosoma luteum
- orientalis Prout, 1915 (Ereunetea), see Ereunetea reussi
- orientalis R. Felder, [1874] (Philampelus), see Cechenena helops
- orientalis Riley, 1925 (Cigaritis zohra), see Cigaritis siphax
- orientalis Roche, 1954 (Epitola), see Cephetola orientalis
- orientalis Romanoff, 1884 (Papilio alexanor var.), see Papilio alexanor orientalis
- orientalis Rothschild, 1898 (Euphaedra eleus), see Euphaedra orientalis
- orientalis Rothschild, 1909 (Amastus), see Amastus erganoides
- orientalis Rothschild, 1909 (Halisidota underwoodi), see Halysidota orientalis
- orientalis Rothschild, 1913, see Trischalis iridescens
- orientalis Rothschild, 1914 (Amsacta dulla), see Aloa dulla
- orientalis Rothschild, 1915 (Cotachena histricalis), see Cotachena histricalis
- orientalis Rothschild, 1922 (Azatrephes), see Azatrephes argyrothis orientalis
- orientalis Röber, [1907] ( cardamines), see Anthocharis cardamines alexandra
- orientalis Semper, [1879] (Danais hamata var.), see Tirumala hamata
- orientalis Staudinger in Staudinger & Rebel, 1901 (Hypenodes kalchbergi), see Hypenodes orientalis
- orientalis Staudinger in Staudinger & Rebel, 1901 (Orgyia), see Orgyia trigotephras
- orientalis Staudinger, 1877 (Catocala puerpera), see Catocala puerpera
- orientalis Staudinger, 1881 (Polyommatus dorilis), see Lycaena tityrus
- orientalis Staudinger, 1892 (Hybernia), see Lomographa orientalis
- orientalis Staudinger, 1897, see Abraxas fulvobasalis
- orientalis Staudinger, 1901, see Polyommatus amandus amandus
- orientalis Stempffer, 1962, see Pseuderesia paradoxa orientalis
- orientalis Strand, 1916 ( ab.), see Xestia ditrapezium
- orientalis Swanepoel, 1976 (Poecilmitis), see Chrysoritis orientalis
- orientalis Talbot, 1932, see Cethosia lamarckii
- orientalis Verity, 1931, see Plebejus argus bellus
- orientalis Viette, 1961 (Hypobleta viettei), see Hypobleta viettei
- orientalis Wagner, 1930 (Nonagria geminipuncta var.), see Lenisa geminipuncta
- orientalis Walker, 1855 (Areas), see Areas galactina orientalis
- orientalis Warren, 1913 (Grammodes), see Grammodes geometrica
- orientalis Weber, 1951 (Morpho amathonte), see Morpho menelaus amathonte
- orientalis Yamanaka, 1972 (Ercta), see Hydriris ornatalis
- orientalis, see Polyommatus thersites orientis
- orientalis[sic?] (Parocneria detrita), see Parocneria detrita orientalis
- orientaloides Verity, 1931 (Lycaeides argus), see Plebejus argus
- orientaloides, see Plebejus argus
- orientana (Alphéraky, 1876) (Cnephasia)
- orientaria (Alphéraky, 1892) (Aspitates gilvaria)
- orientaria Staudinger, 1871 (Ematurga atomaria)
- orientasiae Bryk, 1949 (Sideridis pallescens), see Mythimna pallens
- orientata (Staudinger, 1901) (Epirrhoe galiata)
- orientella (Rebel, 1893) (Semioscopis)
- orientella Sinev, 2001 (Scythris)
- orientella (Herrich-Schäffer, [1850]) (Catoptria)
- orientella (Klimesch, 1956) (Digitivalva)
- orientella Klimesch, 1953 (Trifurcula)
- orientella Caradja, 1931 (Psecadia pusiella var.), see Ethmia candidella candidella
- orientella Krulikovsky, 1909 (Anchinia daphnella), see Anchinia daphnella
- orientellus (Catoptria), see Catoptria orientella
- orientellus Herrich-Schäffer, [1850] ([Crambus]), see Catoptria orientella
- orientes (Rhynchodontodes), see Zekelita orientis
- Orienthrix Tshistjakov, 1998 (Lasiocampinae), see Euthrix
- orientis (Daniel, 1949) (Eumorpha obliqua)
- orientis Wehrli, 1940 (Apocheima hispidaria)
- orientis Skinner, 1920 (Pyrrhocalles antiqua)
- orientis Bell, 1947 (Pyrrhopyge thericles)
- orientis Hacker, 1996 (Enterpia laudeti)
- orientis (Brandt, 1938) (Zekelita)
- orientis (Alphéraky, 1882) (Dichagyris)
- orientis (Sheljuzhko, 1928) (Polyommatus thersites)
- orientis Libert, 2005 (Ornipholidotos paradoxa)
- orientis Pringle, 1994 (Aloeides thyra)
- orientis (Aurivillius, 1909) (Danaus chrysippus)
- orientis (Doherty, 1891) (Parantica luzonensis)
- orientis Aurivillius, 1904 (Acraea parrhasia)
- orientis (Karsch, 1895) (Bebearia)
- orientis Verity, 1911 (Papilio machaon)
- orientis Parrott, 1991 (Troides helena)
- orientis Wnukowsky, 1929 (Colias hecla)
- ?orientis (Butler, 1888) (Eurema floricola)
- orientis Oberthür, 1880 (Pieris melete)
- ?orientis Daniel, 1960 (Ocneria?), see Parocneria (Bombyx) detrita
- orientis (Acraea servona), see Acraea parrhasia orientis
- orientis (Apocheima hispidarium), see Apocheima hispidaria orientis
- orientis (Bebearia cocalia), see Bebearia orientis orientis
- orientis (Bebearia mardania), see Bebearia orientis orientis
- orientis (Eumorpha obliquus), see Eumorpha obliqua orientis
- orientis (Itame andersoni), see Speranza andersoni
- orientis (Ochropleura), see Dichagyris orientis
- orientis (Rhynchodontodes), see Zekelita orientis
- orientis (Yigoga orientis), see Dichagyris orientis orientis
- orientis (Yigoga), see Dichagyris orientis
- orientis Alphéraky, 1882 (Agrotis signifera var.), see Dichagyris orientis
- orientis Aurivillius, 1904 (Acraea circeis var.), see Acraea parrhasia orientis
- orientis Aurivillius, 1909 (Danaida chrysippus), see Danaus chrysippus orientis
- orientis Brandt, 1938 (Hypenodes), see Zekelita orientis
- orientis Butler, 1888 (Terias), see Eurema floricola orientis
- orientis Butler, 1888 (Terias), see Eurema hecabe
- orientis Doherty, 1891 (Danais), see Parantica luzonensis orientis
- orientis Ferguson, 1953 (Itame andersoni), see Speranza andersoni
- orientis Karsch, 1895 (Euryphene), see Bebearia orientis
- orientis Le Moult & Réal, 1962 (Morpho melacheilus), see Morpho menelaus occidentalis
- orientis Oberthür, 1880 (Pieris napi var.), see Pieris melete orientis
- orientis Sheljuzhko, 1928 (Lycaena thersites), see Polyommatus thersites orientis
- orientis Stoneham, 1932 (Euphaedra eleus f.), see Euphaedra rattrayi coeruleomaculata
- orientius Hulstaert, 1924 (Iolaus timon)
- orientius (Tanuetheira timon), see Iolaus timon orientius
- origenes (Fabricius, 1793) (Polites)
- origenes Fruhstorfer, 1912 (Bindahara phocides)
- origenes Fabricius, 1793 (Hesperia), see Polites origenes
- originalis Hacker, 1998 (Hadula colletti)
- originalis (Herrich-Schäffer, 1860) (Titanio)
- originatus Johnson, Hernández & Cock, 1997 (Strymon), see Strymon serapio
- origines[sic=origenes], see Polites origenes
- origo (Godman & Salvin, [1887]) (Calycopis)
- origo Godman & Salvin, [1887] (Thecla), see Calycopis origo
- origoalis (Walker, 1859) (Omiodes)
- origoalis Walker, 1859 (Botys), see Omiodes origoalis
- orihuela Hacker, 1996 (Hadena)
- orillata (Semiothisa), see Digrammia continuata
- orillata Walker, [1863] (Anaitis), see Digrammia continuata
- orilliana Grote, 1875 (Pachnobia), see Cerastis salicarum
- orilus Butler, 1869 (Charaxes)
- orilus (Charaxes orilus), see Charaxes orilus
- orima Schaus, 1902 (Nascus), see Cephise cephise
- orimba (Swinhoe, 1894) (Dasychira)
- ?orimba Boisduval, 1854 (Riodinidae), see Setabis
- Orimba Herrich-Schäffer, [1858] (Riodinidae), see Setabis
- orimba (Orgyia), see Dasychira orimba
- orimba Swinhoe, 1894 (Olene), see Dasychira orimba
- orina (Turner, 1926) (Acodia)
- orina Vári, 1976 (Metisella malgacha)
- orina Hewitson, 1874 (Acraea)
- orina Guenée, 1852 (Cosmia), see Elaphria grata
- orina Turner, 1926 (Aprosdoceta), see Acodia orina
- orinata Oberthür, 1893 (Acraea)
- orinata (Acraea orina f.), see Acraea orinata
- orinata (Acraea orina), see Acraea orinata
- orinellla Strand, 1916, see Cosmia calami
- orineta Eltringham, 1912 (Acraea orina)
- orino Evans, 1951 (Pyrrhopyge amythaon)
- orinoca Le Moult & Réal, 1962 (Morpho peleides tucupita f.), see Morpho helenor tucupita
- orinocensis Brown & Fernández, 1985 (Eueides lybia)
- orinocensis Le Moult, 1925 (Morpho menelaus)
- orinocensis (Rousseau-Decelle, 1960) (Parides anchises)
- orinocensis Le Moult, 1932 (Prepona pseudomphale), see Prepona laertes louisa
- orinocensis Le Moult, 1933 (Agrias claudia), see Agrias claudina claudina
- orinocensis Rousseau-Decelle, 1960 (Papilio anchises), see Parides anchises orinocensis
- orinocoensis Constantino, Le Crom & Salazar, 2002 (Parides lysander)
- Orinoma Gray, 1846 (Satyrinae)
- orinomos Rindge, 1970 (Pterotaea newcombi)
- orinomus (Rothschild, 1908) (Atrophaneura polydorus)
- orinomus (Pachliopta polydorus), see Atrophaneura polydorus orinomus
- orinomus Rothschild, 1908 (Papilio polydorus), see Atrophaneura polydorus orinomus
- orinula Strand, 1916, see Cosmia calami
- oriochares Turner, 1922 (Microdes)
- oriocharis (West, 1932) (Dysaethria)
- oriocharis West, 1932 (Epiplema), see Dysaethria oriocharis
- oriola Dyar, 1914 (Homophysa), see Glaphyria glaphyralis
- oriolella Zeller, 1849 (Coleophora)
- oriolus Guenée, 1852 (Fodina)
- orion McDunnough, 1922 (Catocala meskei)
- orion Roepke, 1956 (Elusa)
- orion (Pallas, 1771) (Scolitantides)
- orion Le Cerf, 1958 (Euselasia)
- orion Bleszynski, 1963 (Fissicrambus)
- orion (Aganisthos), see Historis odius odius
- orion (Historis), see Historis odius odius
- orion (Typhedanus), see Typhedanus crameri
- orion Cramer, 1777 (Papilio), see Typhedanus crameri
- orion Esper, 1791 (Phalaena), see Moma (Noctua) alpium
- orion Fabricius, 1775 (Papilio), see Historis odius odius
- orion Herrich-Schäffer, 1843 (Zygaena), see Zygaena romeo
- orion McDunnough, 1922 (Catocala), see Catocala meskei orion
- orion Pallas, 1771 (Papilio), see Scolitantides orion
- orionalis (Walker, [1859]) (Coremagnatha)
- orionalis Walker, [1859] (Bocana), see Coremagnatha orionalis
- orios (Dyar, 1913) (Copaxa)
- orios Dyar, 1913 (Saturniodes), see Copaxa orios
- orios Godman & Salvin, [1887] (Thecla), see Gargina gargophia
- oriphoetes Turner, 1930 (Dichromodes)
- oriphorbas Le Cerf, 1924 (Papilio epiphorbas f.indiv.), see Papilio epiphorbas epiphorbas
- oriplancta Turner, 1926 (Dirce)
- orise (Boisduval, 1836) (Patia)
- orise (Dismorphia), see Patia orise
- orise (Leptalis), see Patia orise
- orise Boisduval, 1836 (Leptalis), see Patia orise
- orissa C. & R. Felder, 1860 (Cirrochroa)
- orissana (Aphnaeus syama), see Cigaritis syama peguanus
- orissanus Moore, 1884 (Aphnaeus), see Cigaritis syama peguanus
- orissica Moore, 1884 (Lycaenesthes), see Anthene lycaenina lycaenina
- orissides Fruhstorfer, 1906 (Cirrochroa orissa)
- orissusalis (Walker, 1859) (Orthospila)
- orissusalis Walker, 1859 (Botys), see Orthospila orissusalis
- orita Fruhstorfer, 1910 (Delias agostina), see Delias agostina agostina
- orita Schaus, 1902 (Nascus), see Cephise cephise
- oritas Godman & Salvin, 1879 (Papilio aegeus)
- oritas (Papilio), see Papilio aegeus oritas
- oritas Godman & Salvin, 1879 (Papilio), see Papilio aegeus oritas
- orites Stichel, 1899 (Catonephele)
- orithea (Cramer, [1780]) (Coronidia)
- orithea Cramer, [1780] (Phalaena), see Coronidia orithea
- orithia (Arisbe evemon), see Graphium evemon orithia
- orithia Jordan, 1909, see Graphium evemon orithia
- Orithrepta Collenette, 1939 (Lymantriidae)
- orithya (Linnaeus, 1758) (Junonia)
- orithya (Precis), see Junonia orithya
- orithya Linnaeus, 1758 (Papilio), see Junonia orithya
- orithyia[sic=orithya], see Junonia orithya
- orithyra, see Junonia orithya
- oritropha Turner, 1919 (Amelora)
- oritya (Papilio), see Junonia orithya
- oriunda Grote, 1874 (Lithophane)
- orius (Mabille, 1883) (Naevolus)
- orius Mabille, 1883 (Proteides), see Naevolus orius
- orixa Moore, 1872 (Callerebia)
- Orixa Walker, 1869 (Hypeninae), see Xoria
- oriza Evans, 1953 (Bolla giselus)
- oriza (Druce, 1889) (Hexorthodes)
- oriza (Bolla), see Bolla giselus oriza
- oriza Druce in Godman & Salvin, 1889 (Celaena), see Hexorthodes oriza
- oriza Schaus, 1898 (Leucania), see Leucania extincta
- orizaba (Westwood, 1853) (Rothschildia)
- orizaba Scudder, 1872 (Epargyreus socus)
- orizaba (Druce, 1897) (Hyphantria)
- orizaba (Attacus), see Rothschildia orizaba
- orizaba (Epargyreus), see Epargyreus socus orizaba
- orizaba Druce, 1897 (Spilosoma), see Hyphantria orizaba
- orizaba Schaus, 1898 (Leucania), see Leucania latiuscula
- orizaba Scudder, 1872 (Epargyreus), see Epargyreus socus orizaba
- orizaba Westwood, 1853 (Attacus), see Rothschildia orizaba
- orizabalis (Schaus, 1906) (Renia)
- orizabalis Schaus, 1906 (Aristaria), see Renia orizabalis
- orizabensis (Strand, 1913) (Athis inca)
- orizabensis (Castnia inca), see Athis inca orizabensis
- orizabensis Strand in Seitz, 1913 (Castnia clitarcha), see Athis inca orizabensis
- orizae[sic!], see Chilo suppressalis
- orizava Reakirt, 1866 (Acraea), see Altinote ozomene nox
- orkneyensis (Bytinski-Salz, 1939) (Diarsia mendica)
- orkneyensis Bytinski-Salz, 1939 (Rhyacia festiva var.), see Diarsia mendica orkneyensis
- orla Fruhstorfer, 1907 (Amblypodia narada)
- orleans Oberthür, 1890 (Parnassius)
- orleans Oberthür, 1893 (Pterothysanus), see Pterothysanus laticilia
- orleansella (Chambers, 1873) (Niditinea)
- orleansi Le Moult, 1931 (Agrias claudia pujoi ab.), see Agrias claudina godmani
- orma (Plötz, 1879) (Mopala)
- orma Plötz, 1879 (Ismene), see Mopala orma
- ormana de Freina & Witt, 1988 (Stoermeriana)
- ormea (Swinhoe, 1903) (Artaxa)
- ormea (Euproctis), see Artaxa ormea
- ormea (Nygmia), see Artaxa ormea
- ormea Swinhoe, 1903 (Euproctis), see Artaxa ormea
- ormenes (Plötz, 1886) (Halpe)
- ormenes (Halpe zema), see Halpe ormenes
- ormenes Plötz, 1886 (Hesperia), see Halpe ormenes
- ormensis (Schaus, 1914) (Sigela)
- ormensis Schaus, 1914 (Pseudocraspedia[sic?]), see Sigela ormensis
- ormenulus Fruhstorfer, 1902 (Papilio aegeus)
- ormenus Guérin-Méneville, [1831] (Papilio aegeus)
- ormenus (Papilio aegeus ormenus f.), see Papilio aegeus ormenus
- ormenus Guérin-Méneville, [1831] (Papilio), see Papilio aegeus ormenus
- ormenus Hübner, [1819] (Curetis), see Pandemos pasiphae
- Ormetica Clemens, 1861 (Arctiinae)
- Ormiscodes Blanchard, 1852 (Hemileucinae)
- ormiscus Fruhstorfer, 1908 (Neptis nitetis)
- ormistoni Toxopeus, 1927 (Nacaduba berenice)
- ormistoni Riley, 1920 (Arhopala)
- ormistoni (Amblypodia), see Arhopala ormistoni
- ormistoni (Eurema), see Eurema andersoni ormistoni
- ormistoni (Narathura), see Arhopala ormistoni
- ormistoni Watkins, 1925, see Eurema andersoni ormistoni
- ormocana (Jumalon, 1970) (Lexias satrapes)
- ormocana Jumalon, 1970 (Adolias satrapes), see Lexias satrapes ormocana
- ormoensis Mastrigt, 2006 (Delias)
- ormondei Schaus, 1889 (Eacles)
- ormuzd (Parnara guttata), see Parnara guttatus mangala
- ormuzd Grum-Grshimailo, 1888 (Pamphila), see Parnara guttatus mangala
- ornamenta Fruhstorfer, 1907 (Elymnias nigrescens beatrice f.), see Elymnias hypermnestra agina
- ornamenta Fruhstorfer, 1915 (Adelpha serpa f.), see Adelpha serpa serpa
- ornamentalis (Stichel, 1906) (Orobrassolis)
- ornamentalis (Opsiphanes), see Orobrassolis ornamentalis
- ornamentalis Fruhstorfer, 1912 (Hypolimnas), see Hypolimnas bolina
- ornamentalis Stichel, 1906 (Brassolis), see Orobrassolis ornamentalis
- ornamentata Johnson, 1993 (Gigantorubra), see Lamprospilus badaca
- ornata (Leech, [1889]) (Epipsestis)
- ornata Rindge, 1958 (Pityeja)
- ornata (Hulst, 1896) (Eupithecia)
- ornata (Walker, 1861) (Dichromodes)
- ornata (Scopoli, 1763) (Scopula)
- ornata (Hayward, 1940) (Monca)
- ornata (Leach, 1814) (Hesperilla)
- ornata Toulgoët, 1989 (Amaxia)
- ornata (Packard, 1864) (Grammia)
- ornata (Ménétriés, 1857) (Aethria)
- ornata (Druce, 1883) (Antichloris)
- ornata Rothschild & Jordan, 1901 (Byrsia dotata)
- ornata (Jörgensen, 1935) (Rhosus)
- ornata (Bar, 1876) (Eulepidotis)
- ornata (Brandt, 1939) (Iranada)
- ornata (Wileman & West, 1929) (Bagada)
- ornata Hreblay & Ronkay, 1999 (Egira)
- ornata (Aurivillius, 1925) (Hypena)
- ornata (Staudinger, [1892]) (Eugraphe)
- ornata (Bremer, 1864) (Panchrysia)
- ornata Wileman, 1910 (Tyana)
- ornata Wileman & West, 1929 (Risoba)
- ornata (Grote & Robinson, 1868) (Clostera apicalis)
- ornata (Oberthür, 1884) (Rosama)
- ornata Walker, 1865 (Cynosarga)
- ornata (Mabille, 1890) (Athysanota)
- ornata (Mabille, 1890) (Oboronia)
- ornata Austin & Johnson, 1996 (Iaspis)
- ornata (Leech, 1890) (Satyrium)
- ?ornata (Fruhstorfer, 1900) (Euploea darchia)
- ornata Staudinger, 1901 (Fabriciana niobe)
- ornata Libert, 1998 (Euptera freyja)
- ornata (Schröder & Treadaway, 1979) (Lexias satrapes)
- ornata (Butler, 1870) (Antirrhea)
- ornata Leussler, 1935 (Erebia rossii)
- ornata Avinoff & Sweadner, 1951 (Karanasa pamira)
- ornata Grose-Smith & Kirby, 1895 (Pedaliodes)
- ornata Rothschild & Jordan, 1905 (Platypthima)
- ornata (Moore, [1885]) (Eristena)
- ornata (Beutenmüller, 1893) (Isa)
- ornata (Druce, 1887) (Megalopyge)
- ?ornata Oberthür, 1884 (Ptilodontis), see Rosama ornata
- ornata (Abagrotis erratica), see Abagrotis erratica
- ornata (Apantesis), see Grammia ornata
- ornata (Argynnis niobe), see Fabriciana niobe ornata
- ornata (Badaga), see Bagada ornata
- ornata (Ceramidia), see Antichloris ornata
- ornata (Diacrisia), see Platarctia atropurpurea atropurpurea
- ornata (Euploea visenda), see Euploea darchia ornata
- ornata (Mesolasia), see Aethria ornata
- ornata (Prospalta), see Bagada ornata
- ornata (Scolitantides orion), see Scolitantides orion jezoensis
- ornata (Strymon), see Satyrium ornata
- ornata Aurivillius, 1925 (Pseudaglossa), see Hypena ornata
- ornata Bar, 1876 (Palindia), see Eulepidotis ornata
- ornata Barnes & McDunnough, 1914 (Selenia), see Selenia alciphearia
- ornata Beutenmüller, 1893 (Sisyrosea), see Isa ornata
- ornata Bremer, 1864 (Plusia), see Panchrysia ornata
- ornata Butler, 1870 (Anchiphlebia), see Antirrhea ornata
- ornata Bytinski-Salz, 1939 (Hepialus hecta ab.), see Phymatopus hecta
- ornata C. & R. Felder, [1867] (Hesperia), see Pithauria marsena
- ornata Christoph, 1893 (Melitaea phoebe var.), see Melitaea phoebe phoebe
- ornata Dognin, 1910 (Calydia), see Eulepidotis ornatoides
- ornata Druce in Godman & Salvin, 1887 (Lagoa), see Megalopyge ornata
- ornata Druce, 1883 (Illipula), see Antichloris ornata
- ornata Dufrane, 1946 (Papilio bromius bromius chrapkowskii ab.), see Papilio chrapkowskoides nurettini
- ornata Dufrane, 1948 (Danaus), see Danaus chrysippus
- ornata Eliot, 1957 (Poritia philota philota -f.), see Poritia philota philota
- ornata Fruhstorfer, 1900 (Calliploea darchia), see Euploea darchia ornata
- ornata Fruhstorfer, 1907 (Catargyria lavinia f.), see Doxocopa (Apatura) lavinia
- ornata Fruhstorfer, 1913 (Morpho menelaus), see Morpho menelaus occidentalis
- ornata Haensch, 1903 (Miraleria sylvella ab.), see Pagyris cymothoe sylvella
- ornata Hayward, 1939 (Tirynthia), see Tirynthoides virilis
- ornata Hayward, 1940 (Lerodea), see Monca ornata
- ornata Jordan, 1912 (Ophthalmis milete), see Ophthalmis milete
- ornata Jörgensen, 1935 (Alipia), see Rhosus ornata
- ornata Le Moult, 1940 (Helicopis f.), see Helicopis cupido cupido
- ornata Leach, 1814 (Hesperia), see Hesperilla ornata
- ornata Leach, [1815] (Hesperia), see Hesperilla ornata
- ornata Leech, 1890 (Thecla), see Satyrium ornata
- ornata Leech, [1889] (Polyploca), see Epipsestis ornata
- ornata Mabille, 1890 (Lycaena), see Athysanota ornata
- ornata Michael, 1926 (Agrias hewitsonius staudingeri ab.), see Agrias hewitsonius beata
- ornata Mollet, 1975 (Papilio dardanus antinorii f.m.), see Papilio dardanus antinorii
- ornata Moore, [1885] (Cataclysta), see Eristena ornata
- ornata Ménétriés, 1857 (Laemocharis), see Aethria ornata
- ornata Neumoegen, 1884 (Varina), see Acherdoa ferraria
- ornata Niepelt, 1934 (Papilio), see Troides priamus
- ornata Oberthür, 1914 (Apatura beckeri f.), see Doxocopa zunilda zunilda
- ornata Oberthür, 1914 (Apatura lucasii f.), see Doxocopa cyane mexicana
- ornata Oberthür, 1916 (Culapa), see Heteropsis turbata
- ornata Oberthür, 1923 (Dasychira), see Lymantria phaeosericea
- ornata Ottolengui, 1898 (Deva), see Chalcopasta howardi
- ornata Overlaet, 1944 (Cymothoe), see Cymothoe meridionalis
- ornata Packard, 1864 (Callarctia), see Grammia ornata
- ornata Roepke, 1944 (Gaurena), see Horithyatira decorata
- ornata Röber, 1916 (Anaea glycerium), see Fountainea glycerium cratais
- ornata Schröder & Treadaway, 1979 (Athyma satrapes), see Lexias satrapes ornata
- ornata Scopoli, 1763 (Phalaena), see Scopula ornata
- ornata Staudinger, 1892 (Lycaena astrarche ab.), see Aricia cramera
- ornata Staudinger, 1892 (Lycaena orion var.), see Scolitantides orion jezoensis
- ornata Staudinger, 1896 (Arctia), see Platarctia atropurpurea atropurpurea
- ornata Staudinger, [1892] (Hydrilla?), see Eugraphe ornata
- ornata Stichel, 1909 (Panara aureizona f.), see Panara aureizona
- ornata Talbot, 1928 (Catagramma texa), see Callicore texa maximilla
- ornata Tessmann, 1928 (Vorates), see Parphorus storax storax
- ornata Thiaucourt, ?1998 (Maschane), see Maschane ochreata
- ornata Villers, 1789 (Phalaena noctua), see Hecatera dysodea
- ornata Walker, 1861 (Panagra), see Dichromodes ornata
- ornata Wileman & West, 1929 (Risoba), see Bagada ornata
- ornata Wileman, 1910 (Tyana), see Doloessa viridis
- ornatalis (Duponchel, 1832) (Hydriris)
- ornatalis Duponchel, 1832 (Asopia), see Hydriris ornatalis
- ornatalis Walker, [1866] (Pyralis), see Agrotera amathealis
- ornataria (Leech, 1897) (Calicha)
- ornataria Hübner, [1799] (Geometra), see Scopula ornata
- ornataria Moore, see Pachyodes ornataria
- ornatea Haworth, 1828 (Porrectaria), see Coleophora ornatipennella
- ornatella Sattler, 1967 (Ornativalva)
- ornatella (Leech, 1889) (Platytes)
- ornatella (Denis & Schiffermüller, 1775) (Pempeliella)
- ornatella Triberti, 1981 (Parornix)
- ornatella (Dietz, 1905) (Stenoptinea)
- ornatella Denis & Schiffermüller, 1775 (Tinea), see Pempeliella ornatella
- ornatellus Leech, 1889 (Crambus), see Platytes ornatella
- ornatifimbria Warren, see Albinospila ornatifimbria
- ornatina Bryk, 1938 (Doxocopa cyane boliviana f.), see Doxocopa cyane mexicana
- ornatior Blachier, 1908 (Thais rumina var.), see Zerynthia rumina africana
- ornatipennella (Hübner, [1796]) (Coleophora)
- ornatipennella Hübner, [1796] (Tinea), see Coleophora ornatipennella
- ornatissima (Walker, 1858) (Antoculeora)
- ornatissima (Leech, 1892) (Fabriciana coreana)
- ornatissima (Argynnis coreana), see Fabriciana coreana ornatissima
- ornatissima (Fabriciana adippe), see Fabriciana coreana ornatissima
- ornatissima Alpheraky, 1897 (Sinna), see Sinna extrema
- ornatissima Blachier, 1908 (Thais rumina var. ornatior ab.), see Zerynthia rumina africana
- ornatissima Le Moult, 1940 (Helicopis cupido pseudogravidus f.), see Helicopis cupido cupido
- ornatissima Walker, 1858 (Plusia), see Antoculeora ornatissima
- Ornativalva Gozmány, 1955 (Gelechiinae)
- ornatoides Poole (Eulepidotis)
- ornatrix (Linnaeus, 1758) (Utetheisa)
- ornatrix Schintlmeister & Fang, 2001 (Ellida)
- ornatrix (Deiopeia), see Utetheisa ornatrix
- ornatrix (Theritas), see Evenus sponsa
- ornatrix Druce, 1907 (Thecla), see Evenus sponsa
- ornatrix Geyer, [1834] (Noctua), see Agrochola (Noctua) litura
- ornatrix Linnaeus, 1758 (Phalaena), see Utetheisa ornatrix
- ornatula (Walker, 1854) (Leucotmemis)
- ornatula (Felder & Rogenhofer, 1874) (Eublemma)
- ornatula (Heinrich, 1942) (Phaneta)
- ornatula Christoph,1887 (Erastria), see Alvaradoia numerica
- ornatula Felder & Rogenhofer, 1874 (Thalpochares), see Eublemma ornatula
- ornatula Walker, 1854 (Glaucopis), see Leucotmemis ornatula
- ornatum Schäffler, 2001 ( f.loc), see Troides paradisea chrysanthemum
- ornatus Rothschild, 1894 (Hemeroplanes)
- ornatus Rothschild, 1903 (Choaspes illuensis)
- ornatus Tsukada, 1991 (Lexias canescens)
- ornatus (Rothschild, 1895) (Graphium euphrates)
- ornatus Schouten, 1992 (Euchromius)
- ornatus Bremer, 1861, see Leptalina unicolor
- ornatus Bytinski-Salz, 1939 (Hepialus fusconebulosus ab.), see Pharmacis fusconebulosus
- ornatus Gehlen, 1930 (Celerio hippophaes), see Hyles hippophaes bienerti
- ornatus Rothschild, 1895 (Papilio), see Graphium euphrates ornatus
- ornatus Smith, 1903 (Abagrotis), see Abagrotis erratica
- ornea (Druce, 1889) (Anicla)
- ornea Druce in Godman & Salvin, 1889 (Agrotis), see Anicla ornea
- ornea Hewitson, 1868 (Thecla), see Nicolaea ophia
- orneates Austin, 1996 (Celaenorrhinus)
- Orneates Godman & Salvin, [1894] (Pyrginae), see Celaenorrhinus
- Orneatus (Pyrginae), see Celaenorrhinus
- orneodalis (Guenée, 1854) (Lascoria)
- orneodalis Guenée in Boisduval & Guenée, 1854 (Tortricodes), see Lascoria orneodalis
- orneus (Westwood, 1847) (Agnosia)
- orneus Fruhstorfer, 1910 (Euploea eupator)
- Orneus Hübner, [1824] (Macroglossinae), see Nephele
- ornichella Friese, 1960 (Paraswammerdamia)
- Ornipholidotos Bethune-Baker, 1914 (Poritiinae)
- ornithogalli (Guenée, 1852) (Spodoptera)
- ornithopodella (Frey, 1859) (Biselachista)
- ornithopodella (Elachista), see Biselachista ornithopodella
- ornithopodella Frey, 1859 (Elachista), see Biselachista ornithopodella
- Ornithopsyche (Lymantriidae), see Aroa
- Ornithopsyche Wallengren, 1863 (Lymantriidae), see Aroa
- Ornithopsyche Wallengren, 1865 (Lymantriidae), see Aroa
- Ornithoptera (Papilioninae), see Troides
- Ornithoptera Boisduval, 1832 (Papilioninae), see Troides
- (Ornithoptera) victoriae (Gray, 1856) (Troides)
- ornithopteralis (Guenée, 1854) (Uresiphita)
- ornithopteralis Guenée in Boisduval & Guenée, 1854 (Mecyna), see Uresiphita ornithopteralis
- Ornithopterus Westwood, 1840 (Papilioninae), see Troides
- Ornithospila Warren, 1894 (Geometrinae)
- Ornitopia Beck, 1996 (Xyleninae), see Lithophane
- ornitopus (Hufnagel, 1766) (Lithophane)
- ornitopus Hufnagel, 1766 (Phalaena), see Lithophane ornitopus
- Ornixola Kuznetsov, 1979 (Gracillariinae)
- ornofagus Weidemeyer, 1863 (Papilio), see Papilio pelaus pelaus
- ornythion Boisduval, 1836 (Papilio)
- ornythion (Calaides), see Papilio ornythion
- ornythion (Heraclides), see Papilio ornythion
- ornytion (Godman & Salvin, 1880) (Delias)
- oro Scudder, 1876 (Glaucopsyche lygdamus)
- oro (Nomiades lygdamas), see Glaucopsyche lygdamus oro
- oro Scudder, 1876, see Glaucopsyche lygdamus oro
- oroanna (Bálint, 2002) (Mithras)
- oroanna Bálint, 2002 (Paraspiculatus), see Mithras oroanna
- oroatis Hewitson, 1864 (Mycalesis)
- oroba (Druce, 1889) (Eriopyga)
- Oroba Walker, [1863] (Calpinae), see Avitta
- oroba Druce in Godman & Salvin, 1889 (Agrotis), see Eriopyga oroba
- orobana (Treitschke, 1830) (Cydia)
- orobanchella Dyar, 1904, see Rhagea packardella
- Orobena Guenée in Boisduval & Guenée, 1854 (Evergestinae), see Evergestis
- orobi Duponchel, [1842] (Ophiusa), see Lygephila lusoria
- orobi Hübner, [1813] (Sphinx), see Zygaena trifolii
- orobi Stainton, 1870, see Leucoptera lathyrifoliella
- orobia (Harvey, 1876) (Protorthodes)
- orobia (Hewitson, 1867) (Mithras)
- orobia (Hewitson, 1864) (Tegosa)
- orobia (Paraspiculatus), see Mithras orobia
- orobia (Phyciodes claudina anieta ab.), see Tegosa orobia
- orobia (Phyciodes liriope claudina f.), see Tegosa orobia
- orobia (Phyciodes liriope), see Tegosa orobia
- orobia (Thecla), see Mithras orobia
- orobia Harvey, 1876 (Mamestra), see Protorthodes orobia
- orobia Hewitson, 1864 (Eresia), see Tegosa orobia
- orobia Hewitson, 1867 (Thecla), see Mithras orobia
- orobiana (Hewitson, 1867) (Mithras)
- orobiana (Paraspiculatus), see Mithras orobiana
- orobiana Hewitson, 1867 (Thecla), see Mithras orobiana
- orobiella Huemer & Tarmann, 1994 (Catoptria)
- Orobrassolis Casagrande, 1982 (Morphinae)
- orocana (Druce, 1912) (Mithras)
- orocana (Paraspiculatus), see Mithras orocana
- orocana Druce, 1912 (Thecla), see Mithras orocana
- Orodemnias Wallengren, 1885 (Arctiinae), see Grammia
- Orodesma Herrich-Schäffer, 1868 (Calpinae)
- Orodesmia (Calpinae), see Orodesma
- oroetes Hewitson, 1862 (Ogyris)
- orogena Hreblay & Ronkay, 1995 (Dasypolia)
- Orohadena Ronkay, Varga & Gyulai, 1995 (Xyleninae)
- orola Dyar, 1914 (Virbia)
- orolina (Hewitson, 1861) (Brevioleria aelia)
- orolina ("Hypoleria"), see Brevioleria aelia orolina
- orolina (Corbulis), see Brevioleria aelia orolina
- orolina Hewitson, 1861 (Ithomia), see Brevioleria aelia orolina
- oronalis Schaus, 1906 (Hypena), see Hypena abscondalis
- Oroncus Seitz, 1910 (Arctiinae)
- orono Scudder, 1872, see Euphyes conspicua
- oronoco Weeks, 1906 (Adelpha), see Adelpha attica attica
- Oronomis Munroe & Mutuura, 1968 (Pyraustinae)
- orontas Hewitson, 1862 (Ogyris), see Ogyris idmo
- orontella Ragonot, 1895 (Calamotropha), see Calamotropha hierichuntica
- orontes (Linnaeus, 1763) (Alcides)
- Orontes Swainson, 1833 (Uraniinae), see Alcides
- orontes Linnaeus, 1763 (Papilio), see Alcides orontes
- orontes Plötz, 1882 (Cecropterus), see Autochton bipunctatus
- orontes Stichel, 1923 (Nymula phylleus), see Juditha odites odites
- orontesalis Walker, 1859 (Botys), see Omiodes simialis
- ?orontiaria Hübner, [1823] (Alcides), see Alcides orontes
- orontiaria Hübner, [1822] (Alcides), see Alcides orontes
- orontii Herrich-Schäffer, 1851 (Cleophana), see Behounekia freyeri
- orontobates Fruhstorfer, 1910 (Euploea)
- Orontobia De Freina, 1997 (Arctiinae)
- orooca (Schaus, 1924) (Leucanopsis)
- orooca Schaus, 1924 (Halysidota), see Leucanopsis orooca
- oropa (Hewitson, 1877) (Metron)
- oropa Hewitson, 1877 (Hesperia), see Metron oropa
- orope (Hesperia), see Metron oropa
- orope Boisduval, 1832 (Euploea), see Euploea algea
- orope Capronnier, 1874 (Carystus), see Damas clavus
- oropesica Reiss, 1965, see Zygaena lavandulae barcelonica
- oropeso (Barnes, 1905) (Cryptophobetron)
- orophanes Boisduval, 1836 (Papilio), see Papilio ambrax
- orophasma Boursin, 1960 (Bryopolia)
- orophasma (Boursin, 1960) (Euchalcia)
- orophasma Boursin, 1960 (Bryopolia), see Euchalcia orophasma
- Orophia (Oecophorinae), see Cephalispheira
- Orophia auct, nec Hübner, 1825 (Oecophorinae), see Cephalispheira
- orophila Boursin, 1954 (Diarsia)
- orophila (Hampson, 1908) (Syngrapha)
- Orophila Staudinger, [1886] (Biblidinae)
- orophila Hampson, 1908 (Plusia), see Syngrapha orophila
- orophila Rungs, 1967 (Chersotis margaritacea), see Chersotis (Noctua) margaritacea
- orophila Zukowsky, 1929 (Sphecia crabroniformis var.), see Sesia bembeciformis
- orophilos Boisduval, [1875], see Aleuron carinata
- orophobus d'Almeida, 1942 (Papilio), see Parides ascanius
- orophora Swinhoe, 1901 (Euplexia), see Thalatha bryochlora
- ?oropina Fruhstorfer, 1910 (Euploea), see Euploea algea
- oropina Röber, 1891 (Euploea), see Euploea algea
- oroplata Scott, 1981 (Hesperia comma)
- Oroplema Holloway, 1998 (Epipleminae)
- Oroplexia Hampson, 1908 (Xyleninae)
- oropotamica (Wiltshire, 1941) (Agrochola)
- oropotamica Wiltshire, 1941 (Amathes), see Agrochola oropotamica
- oropus Schaus, 1892 (Preptos)
- oros Fruhstorfer, 1907 (Danaida philene), see Danaus affinis
- Orosa Walker, [1866] (Chloephorinae), see Giaura
- Orosagrotis Hampson, 1903 (Noctuinae), see Euxoa
- Orosana Walker, 1863 (Scopariinae), see Heliothela
- orosi Collenette, 1950 (Eloria)
- orosia Cramer, [1780] (Phalaena), see Dichromia sagitta
- orosiana Seitz, 1925 (Amastus suffusa)
- orosiana Seitz, 1925 (Amastus), see Amastus suffusa orosiana
- orosicola Le Moult & Réal, 1962 (Morpho hyacinthus), see Morpho helenor narcissus
- orosiensis Johnson, 1992 (Paralustrus), see Rhamma commodus
- orotavae Draudt, 1933 (Anataelia), see Paranataelia tenerifica
- Orothalassodes Holloway, 1996 (Geometrinae)
- orotschonicus O. Bang-Haas, 1927 (Parnassius bremeri)
- oroya (Swinhoe, 1903) (Utetheisa)
- oroya Swinhoe, 1903 (Deilemera), see Utetheisa oroya
- oroyana Rothschild, 1922 (Paranerita)
- oroyensis Le Moult & Réal, 1962 (Morpho godarti alexandra f.), see Morpho menelaus godartii
- Orpecovalva Gozmány, 1964 (Symmocinae)
- orphana (Fruhstorfer, 1907) (Clossiana euphrosyne)
- orphana (Stichel, 1911) (Theope)
- orphana (Dinoptotis), see Theope orphana
- orphana Stichel, 1911 (Dinoplotis), see Theope orphana
- orphanoides Huang & Murayama, 1992 (Clossiana euphrosyne)
- Orphanos Hübner, [1825] (Arctiinae), see Nyctemera
- Orphanostagma (Pyraustinae), see Orphanostigma
- Orphanostigma Warren, 1890 (Pyraustinae)
- Orphanus Agassiz, 1847 (Arctiinae), see Nyctemera
- orphanus (Clossiana euphrosyne), see Clossiana euphrosyne orphana
- orphanus Fruhstorfer, 1907 (Argynnis euprhosyne), see Clossiana euphrosyne orphana
- Orphe Godman in Godman & Salvin, [1901] (Hesperiinae)
- orphei Shchetkin, 1985 (Satyrus)
- Orpheides (Papilioninae), see Papilio
- Orpheides Hübner, [1819] (Papilioninae), see Papilio
- orpheus (Herrich-Schäffer, [1854]) (Theretra)
- orpheus (Plötz, 1881) (Chrysoplectrum)
- orpheus (C. & R. Felder, 1862) (Cheritra)
- orpheus (Westwood, 1851) (Napaea)
- orpheus (Myrina), see Cheritra orpheus
- orpheus C. & R. Felder, 1862 (Myrina), see Cheritra orpheus
- orpheus Cross, 1926 (Polygonia), see Nymphalis faunus hylas
- orpheus Doubleday, 1847 (Cremna), see Napaea orpheus
- orpheus Herrich-Schäffer, [1854] (Chaerocampa), see Theretra orpheus
- orpheus Plötz, 1881 (Eudamus), see Chrysoplectrum orpheus
- orpheus Schintlmeister, 1992, see Periergos orpheus
- orpheus Westwood, 1851 (Cremna), see Napaea orpheus
- orphina Püngeler, 1906 (Agrotis), see Diarsia obuncula
- orphisalis Walker, 1859 (Pyrausta)
- orphise (Cramer, [1775]) (Eunica)
- orphise Cramer, [1775] (Papilio), see Eunica orphise
- orphius (Telegonus), see Chrysoplectrum orpheus
- orphna Clench, 1965 (Anthene amarah)
- orphna (Boisduval, 1836) (Paralaxita)
- orphna (Laxita), see Paralaxita orphna
- orphna (Taxila), see Paralaxita orphna
- orphna Boisduval, 1836 (Emesis), see Paralaxita orphna
- orphnaea (Turner, 1898) (Amata)
- orphnaea (Collenette, 1932) (Euproctis)
- orphnaea Collenette, 1932 (Porthesia), see Euproctis orphnaea
- orphnaea Turner, 1898 (Hydrusa), see Amata orphnaea
- orphnata Petersen, 1909 (Eupithecia)
- orphne (Schaus, 1893) (Camerunia)
- orphne (Plötz, 1881) (Chrysoplectrum)
- orphne Butler, 1870 (Tanaecia)
- orphne (Wallace, 1867) (Delias georgina)
- orphne (Delias), see Delias georgina orphne
- orphne Plötz, 1881 (Eudamus), see Chrysoplectrum orphne
- orphne Schaus, 1893 (Homochroa), see Camerunia orphne
- orphne Wallace, 1867 (Thyca), see Delias georgina orphne
- orphnealis Walker, 1859 (Botys), see Microthyris anormalis
- orphnella Rebel, 1893 (Symmoca)
- orphnia Fruhstorfer, 1907 (Elymnias hypermnestra meridionalis f.), see Elymnias hypermnestra meridionalis
- orphnina Turner, 1904 (Taxeotis)
- orphnina Hering, 1926 (Dasychira)
- orphnina Bethune-Baker, 1908 (Hypena)
- orphnina Boursin, 1967 (Hermonassa)
- orphnina (Dyar, 1912) (Hypocoena)
- orphnina Karsch, 1894 (Cymothoe)
- orphnina (Albara), see Paralbara muscularia
- orphnina Bethune-Baker, 1908 (Systaticospora), see Piratisca minax
- orphnina Dyar, 1912 (Arenosola), see Hypocoena orphnina
- orphnina Hampson, [1893] (Drepana), see Paralbara muscularia
- orphnine Cowan, 1967 (Cheritra orpheus)
- Orphnophanes Lederer, 1863 (Pyraustinae)
- orphnopis Turner, 1915 (Metasia)
- orphnospila (Meyrick, 1934) (Dinica)
- orphnospila Meyrick, 1934 (Tinea), see Dinica orphnospila
- orphonycla (Meyrick, 1937) (Acleris)
- orphonycla Meyrick, 1937 (Peronea), see Acleris orphonycla
- Orrea Walker, 1866 (Calpinae), see Hypospila
- Orrhodia Hübner, [1821] (Xyleninae), see Conistra
- Orrhodiella (Xyleninae), see Conistra
- Orrhodiella Spuler, 1907 (Xyleninae), see Conistra
- orri Mastrigt, 2003 (Delias subapicalis)
- orsa Evans, 1953 (Mylon)
- orsa (Cramer, [1777]) (Hypercompe)
- orsa (Ecpantheria), see Hypercompe orsa
- orsa Boisduval, 1869 (Melitaea), see Phyciodes pulchella montana
- orsa Cramer, [1777] (Noctura), see Hypercompe orsa
- orsaete (Heliopetes), see Heliopetes arsalte
- orsara Swinhoe, 1903 (Lineopalpa)
- orsedice (Butler, [1882]) (Iratsume)
- orsedice (Hewitson, 1878) (Apexacuta)
- orsedice Godman, 1903 (Hyphilaria anthias)
- orsedice (Drucina), see Apexacuta orsedice
- orsedice (Mygona), see Apexacuta orsedice
- orsedice (Proboscis), see Apexacuta orsedice
- orsedice Butler in Butler & Fenton, [1882] (Thecla), see Iratsume orsedice
- orsedice Hewitson, 1878 (Pronophila), see Apexacuta orsedice
- orseis (Hewitson, 1863) (Rapala varuna)
- orseis Edwards, 1871 (Phyciodes)
- orseis Hewitson, 1864 (Mycalesis)
- orseis (Godart, 1819) (Ascia monuste)
- orseis (Phyciode pratensis), see Phyciodes orseis
- orseis (Phyciodes orseis), see Phyciodes orseis
- orseis Godart, 1819 (Pieris), see Ascia monuste orseis
- orseis Hewitson, 1863 (Deudorix), see Rapala varuna orseis
- orseis Hübner, [1821] (Sagaritis), see Myscelia orsis
- orseisalis Walker, 1859 (Ebulea), see Hyalobathra miniosalis
- Orses Godman in Godman & Salvin, [1901] (Hesperiinae)
- orses Godman & Salvin, [1887] (Thecla), see Rekoa zebina
- orseïs Hübner, [1821] (Sagaritis), see Myscelia orsis
- Orseus (Hesperiinae), see Orses
- orsillus Gray, [1853] (Papilio), see Parides zacynthus polymetus
- orsilochus (Fabricius, 1776) (Marpesia)
- orsilochus (Cramer, [1775]) (Megalopyge)
- orsilochus Cramer, [1775] (Phalaena), see Megalopyge orsilochus
- orsilochus Fabricius, 1776 (Papilio), see Marpesia orsilochus
- Orsimacha Meyrick, 1914 (Oecophorinae), see Inga
- orsina (Thecla), see Theritas lisus
- orsina Fruhstorfer, see Mycalesis orseis orsina
- orsina Hewitson, 1877 (Thecla), see Theritas lisus
- orsinephes (Prout, 1928) (Yashmakia)
- orsinephes Prout, 1928 (Syngegia), see Yashmakia orsinephes
- orsines (Hewitson, 1877) (Dalla)
- orsines (Godman & Salvin, [1896]) (Bolla)
- orsines Godman & Salvin, [1896] (Staphylus), see Bolla orsines
- orsines Hewitson, 1877 (Cyclopides), see Dalla orsines
- orsinome Hübner, [1823] (Titaea)
- orsiphantes[sic?] (Hypolycaena erylus), see Hypolycaena erylus orsiphantus
- orsiphantus Fruhstorfer, 1912 (Hypolycaena erylus)
- orsippus Godman & Salvin, 1888 (Papilio ulysses)
- orsippus Godman & Salvin, 1888 (Papilio), see Papilio ulysses orsippus
- orsis (Drury, [1782]) (Myscelia)
- orsis Drury, 1782 (Papilio), see Myscelia orsis
- orsis Drury, [1782] (Papilio), see Myscelia orsis
- Orsixenica (Satyrinae), see Oreixenica
- orsolina (Hewitson, 1865) (Remelana jangala)
- orsolina Hewitson, 1865 (Myrina), see Remelana jangala orsolina
- Orsonoba Walker, 1859 (Ennominae), see Gonodontis
- Orsonoba Walker, 1860 (Ennominae), see Gonodontis
- Orsonota (Ennominae), see Gonodontis
- Orsotriaena Wallengren, 1858 (Satyrinae)
- Orsotrioena[sic=orsotriaena] (Satyrinae), see Orsotriaena
- orsova Swinhoe, 1903 (Asura)
- orstadii Palm, 1943 (Elachista)
- Orstriaena[sic=orsotriaena] (Satyrinae), see Orsotriaena
- orsua (Godman & Salvin, 1889) (Battus philenor)
- orsua (Papilio philenor), see Battus philenor orsua
- orsua (Papilio), see Battus philenor orsua
- orsua Godman & Salvin, 1889 (Papilio), see Battus philenor orsua
- orsus Mabille, 1889 (Achlyodes), see Nisoniades mimas
- orta (Platysenta), see Condica orta
- orta Barnes & McDunnough, 1912, see Condica orta
- orta Bastelberger, 1911 (Boarmia), see Gasterocome pannosaria
- ortalidiformis Lederer, 1853 (Sesia), see Chamaesphecia doryceraeformis
- Ortaliella Hausmann, 1993 (Ennominae)
- ortalis Hulst, 1886, see Condylorrhiza vestigialis
- ortaloides Lathy, 1930 (Thecla), see Thereus ortalus
- ortaloides, see Thereus ortalus
- ortalus (Godman & Salvin, [1887]) (Thereus)
- ortalus Godman & Salvin, [1887] (Thecla), see Thereus ortalus
- ortegae Rothschild, see Papilio bridgei ortegae
- orteguaza Brown, 1976 (Heliconius pardalinus)
- Orthaga Walker, [1859] (Epipaschiinae)
- orthagoria Fruhstorfer, 1912 (Doleschallia bisaltide), see Doleschallia bisaltide
- orthaula Meyrick, 1907 (Miscera)
- Ortheaga Walker, 1865 (Catocalinae), see Dinumma
- orthesia (Godman & Salvin, 1884) (Memphis mora)
- orthesia (Anaea), see Memphis mora orthesia
- orthesia (Memphis), see Memphis mora orthesia
- orthesia Godman & Salvin, [1884] (Anaea), see Memphis mora orthesia
- Orthia Herrich-Schäffer, [1853] (Agaristinae)
- orthia (Hewitson, 1864) (Ortilia)
- orthia Stichel, 1915 (Mesosemia zanoa)
- ?orthia (Graphium evemon), see Graphium evemon orithia
- ?orthia Jordan, 1909 (Papilio), see Graphium evemon orithia
- orthia (Cinclidia), see Melitaea diamina hebe
- orthia (Phyciodes), see Ortilia orthia
- orthia Hewitson, 1864 (Eresia), see Ortilia orthia
- orthia Hübner, 1818, see Melitaea diamina hebe
- Orthoa Billberg, 1820 (Hadeninae), see Orthosia
- orthobasis (Delias alepa), see Delias alepa kunupiensis
- orthobasis Roepke, 1955 (Delias alepa), see Delias alepa kunupiensis
- Orthocabera Butler, 1879 (Ennominae)
- orthocalida Reissinger, 1974 (Colias alfacariensis), see Colias sareptensis
- orthocarpi (Walsingham, 1880) (Stenoptilodes albiciliata)
- orthocarpi Edwards, 1881 (Pyrrhotaenia), see Synanthedon polygoni
- Orthoclostera Butler, 1878 (Euteliinae), see Paectes
- Orthoclydon Warren, 1894 (Larentiinae)
- Orthocomotis Dognin, 1905 (Tortricinae)
- Orthocona Warren, 1896 (Pyraustinae), see Nacoleia
- orthocosma (Janse, 1942) (Eudalaca)
- orthocosma Janse, 1942 (Dalaca), see Eudalaca orthocosma
- Orthocraspeda Prout, 1912 (Geometrinae), see Orthorisma
- orthocraspeda Hering, 1925 (Crocomela), see Crocomela flammifera
- Orthocraspis (Chloephorinae), see Detounda
- Orthocraspis Hampson, 1912 (Chloephorinae), see Detounda
- orthocrossa Turner, 1922 (Termessa)
- Orthodea (Hadeninae), see Orthodes
- Orthodes Guenée in Boisduval & Guenée, 1852 (Hadeninae)
- orthodesma (Lower, 1894) (Maxates)
- orthodesma (Lower, 1894) (Oenochroma)
- orthodesma (Gelasma), see Maxates orthodesma
- orthodesma Lower, 1894 (Euchloris), see Maxates orthodesma
- orthodesma Lower, 1894 (Monoctenia), see Oenochroma orthodesma
- orthodice (Weymer, 1890) (Tatochila)
- orthodice Weymer in Weymer & Maassen, 1890 (Pieris), see Tatochila orthodice
- orthodoxica (Dyar, 1914) (Tripudia)
- orthodoxica Dyar, 1914 (Cobubatha), see Tripudia orthodoxica
- Orthofidonia Packard, 1876 (Ennominae)
- orthogonella (Staudinger, 1871) (Stomopteryx)
- orthogonia Wehrli, 1939 (Gnophos)
- orthogonia Morrison, 1876 (Agrotis)
- Orthogonia C. & R. Felder, 1862 (Xyleninae)
- Orthogonica Hampson, 1908 (Xyleninae), see Orthogonia
- Orthogonioptilum Karsch, 1893 (Ludiinae)
- orthogonoides (Agrotis), see Agrotis orthogonia
- orthogonoides McDunnough, 1946 (Agrotis), see Agrotis orthogonia
- orthogramma (Snellen, 1872) (Eublemma)
- orthogramma Hampson, 1914 (Ozarba)
- orthogramma (Turner, 1936) (Crypsiprora)
- orthogramma Boursin, 1954 (Cryphia)
- orthogramma Bethune-Baker, 1909 (Hypena)
- orthogramma (Hampson, 1903) (Pseudoleucania)
- orthogramma (Lower, 1902) (Phanomorpha)
- Orthogramma Guenée, 1852 (Calpinae), see Epitausa
- Orthogramma Reichenbach, 1817 (Hadeninae), see Episema
- orthogramma Dyar, see Cheteoscelis orthogramma
- orthogramma Hampson, 1903 (Lycophotia), see Pseudoleucania orthogramma
- orthogramma Hering, 1926 (Dasychira), see Dasychira caeruleifascia
- orthogramma Lower, 1894 (Dichromodes), see Dichromodes ornata
- orthogramma Lower, 1902 (Pionea), see Phanomorpha orthogramma
- orthogramma Snellen, 1872 (Micra), see Eublemma orthogramma
- orthogramma Turner, 1936 (Prorocopis), see Crypsiprora orthogramma
- orthogrammaria (Wehrli, 1927) (Larerannis)
- orthographa Turner, 1932 (Hypena)
- Orthographis Hampson, 1896 (Pyraustinae)
- Orthographis Falkovitsh, 1972 (Coleophoridae), see Coleophora
- orthographus Rothschild & Jordan, 1903 (Polyptychus)
- orthograpta (Butler, 1886) (Calyptra)
- orthograpta Butler, 1886 (Calpe), see Calyptra orthograpta
- ortholemus Le Moult & Réal, 1962 (Morpho neoptolemus), see Morpho deidamia neoptolemus
- Ortholepis Ragonot, 1887 (Phycitinae)
- Ortholitha Hübner, 1821 (Ennominae), see Petrophora
- Ortholitha Hübner, [1825] (Ennominae), see Petrophora
- Ortholithoidia (Larentiinae), see Heterophleps
- Ortholithoidia Wehrli, 1932 (Larentiinae), see Heterophleps
- Ortholomia Felder, 1861 (Notodontidae)
- Ortholophus Walsingham, 1887 (Acrolophidae), see Acrolophus
- orthomelaina Wiltshire, 1986 (Clytie scotorrhiza)
- orthomenes Scudder, 1889, see Oligoria maculata
- Orthomiella de Nicéville in Marshall & de Nicéville, 1890 (Polyommatinae)
- Orthonama Hübner, 1825 (Larentiinae)
- Orthopaetus (Pyrginae), see Capila
- orthopetes (Meyrick, 1897) (Pseudozarba)
- orthopetes Meyrick, 1897 (Eublemma), see Pseudozarba orthopetes
- Orthopha Köhler, 1952 (Cuculliinae)
- Orthophaetus Watson, 1895 (Pyrginae), see Capila
- Orthophoetus Watson, 1895 (Pyrginae), see Capila
- orthopleura Turner, 1923 (Zelleria)
- Orthopygia Ragonot, 1890 (Pyralinae)
- Orthorene (Ceratocampinae), see Othorene
- Orthorhinia Agassiz, 1847 (Ptilodoninae), see Pterostoma
- Orthorina (Ptilodoninae), see Pterostoma
- Orthorinia Boisduval, 1828 (Ptilodoninae), see Pterostoma
- Orthorisma Prout, 1912 (Geometrinae)
- Orthornina Meigen, 1830 (Ptilodoninae), see Pterostoma
- Orthos Evans, 1955 (Hesperiinae)
- orthos (Godman, [1900]) (Orthos)
- orthos Godman in Godman & Salvin, [1900] (Eutychide), see Orthos orthos
- orthoscia (Meyrick, 1888) (Scopula)
- orthoscia (Warren, 1915) (Austrocarea)
- orthoscia Meyrick, 1888 (Acidalia), see Scopula orthoscia
- orthoscia Warren, 1915 (Mauritia), see Austrocarea orthoscia
- Orthosia Ochsenheimer, 1816 (Hadeninae)
- orthosia (Godart, [1824]) (Junonia orithya)
- ?orthosia Hübner, 1816 (Argyronome), see Pseudacraea hostilia
- ?orthosia Klug, 1845 (Vanessa), see Junonia chorimene
- orthosia (Precis orithya), see Junonia orithya orthosia
- orthosia Godart, [1824] (Vanessa), see Junonia orithya orthosia
- orthosialis Guenée, 1854 (Renia)
- orthosilaus (Weymer, 1899) (Protesilaus)
- orthosilaus (Eurytides), see Protesilaus orthosilaus
- orthosilaus (Papilio), see Protesilaus orthosilaus
- orthosilaus Weymer, 1899 (Papilio), see Protesilaus orthosilaus
- orthosiodes Richards, 1939 (Phoberia), see Phoberia atomaris
- orthosiodes Walker, 1865 (Toxocampa), see Pantydia sparsa
- orthosioides (Boursin, 1963) (Xestia)
- orthosioides Warren, 1911 (Hyalobole)
- orthosioides Boursin, 1963 (Amathes), see Xestia orthosioides
- orthosioides Guenée, 1852, see Phoberia atomaris
- orthosioides Walker, 1965 (Elegarda), see Agrotis porphyricollis
- Orthosoma Felder, 1874 (Heterocampinae), see Rhuda
- Orthospila Warren, 1890 (Pyraustinae)
- orthostates (Prout, 1915) (Semiothisa)
- orthostates Prout, 1915 (Macaria), see Semiothisa orthostates
- orthosticha Turner, 1920 (Barasa)
- orthosticha Turner, 1920 (Barasa), see Thriponea nigrostrigata
- orthostigma Stephens, 1829 (Charaeas fusca var.), see Aporophyla lueneburgensis
- Orthostixinae (Geometridae)
- Orthostixini (Geometridae), see Orthostixinae
- Orthostixis Hübner, [1823] (Orthostixinae)
- orthotaenia Hering, 1925 (Hyalurga)
- orthotaenia Wiltshire, 1944 (Autophila cymaenotaenia)
- orthotaenia Seitz, 1916 (Baeotis euprepes)
- Orthotaenia Stephens, 1829 (Olethreutinae)
- Orthotaenia Stephens, 1829 (Olethreutinae), see Endothenia
- Orthotaenia Stephens, 1834 (Olethreutinae), see Rhyacionia
- orthoteles (Meyrick, 1894) (Eristena)
- orthoteles Meyrick, 1894 (Oligostigma), see Eristena orthoteles
- orthothoma, see Scoliacma nana
- orthotis Meyrick, 1890 (Dichromodes)
- orthotis (Meyrick, 1894) (Perisseretma)
- orthotis (Scenedra), see Perisseretma orthotis
- orthotis Meyrick, 1894 (Endotricha), see Perisseretma orthotis
- Orthotmeta Warren, 1896 (Ennominae)
- orthotoma (Lower, 1894) (Gonodontis)
- orthotoma (Scoliacma), see Scoliacma nana
- orthotoma Lower, 1894 (Arrhodia), see Gonodontis orthotoma
- orthotoma Meyrick, 1886 (Scoliacma), see Scoliacma nana
- Orthotrichia (Ennominae), see Autotrichia
- Orthotrichia Wehrli, 1927 (Ennominae), see Autotrichia
- Orthotrichophora Warren, 1891 (Epipaschiinae), see Salma
- orthotypa (Turner, 1904) (Hednota)
- orthotypa Turner, 1904 (Talis), see Hednota orthotypa
- orthoxantha Lower, 1903 (Eligma)
- Orthozancla Turner, 1933 (Calpinae)
- orthozona Lower, 1903 (Dichromodes)
- orthozona (Hampson, 1910) (Cobubatha)
- orthozona Meyrick, 1897 (Micrapatetis)
- orthozona (Hampson, 1902) (Ozarba)
- orthozona (Lower, 1903) (Lophothoracia)
- orthozona (Nerastria), see Cobubatha orthozona
- orthozona Hampson, 1902 (Metachrostis), see Ozarba orthozona
- orthozona Hampson, 1910 (Eustrotia), see Cobubatha orthozona
- orthozona Lower, 1903 (Nephopteryx), see Lophothoracia orthozona
- orthra Collenette, 1936 (Laelia)
- orthropis (Meyrick, 1891) (Chrysolarentia)
- orthropis Meyrick, 1891 (Hydriomena), see Chrysolarentia orthropis
- orthrus Hewitson, 1877 (Myscelus), see Myscelus amystis epigona
- Orthus (Hesperiinae), see Orthos
- orthyades Druce, 1893 (Monocreaga)
- orthyades (Tanaostyla), see Monocreaga orthyades
- orticas (Schaus, 1902) (Ortilia)
- orticas (Phyciodes orticas), see Ortilia orticas orticas
- orticas Schaus, 1902 (Phyciodes), see Ortilia orticas
- Ortilia Higgins, 1981 (Nymphalinae)
- ortina Evans, 1941 (Odina hieroglyphica)
- ortina Evans, 1941 (Odina), see Odina hieroglyphica ortina
- ortneri Glaser, 1981 (Coleophora)
- ortneri (Klimesch, 1951) (Trifurcula)
- ortona Druce, 1893 (Argyroeides)
- ortonii Packard, 1869 (Agrotis), see Peridroma saucia
- ortopia (Fruhstorfer, 1912) (Algia fasciata)
- ortopia (Paduca fasciata), see Algia fasciata ortopia
- ortopia Fruhstorfer, 1912 (Cirrochroa fasciata), see Algia fasciata ortopia
- Ortorene (Ceratocampinae), see Othorene
- ortospana Druce, 1889 (Choerocampa), see Xylophanes eumedon
- ortropea (Sagaris), see Phavaraea rejecta
- ortropea Druce, 1893 (Eucyane), see Phavaraea rejecta
- ortruda (Smith, 1910) (Hadula obesula)
- ortruda (Thieme, 1907) (Thiemeia phoronea)
- ortruda (Discestra obesula), see Hadula obesula ortruda
- ortruda (Thiemeia), see Thiemeia phoronea ortruda
- ortruda Smith, 1910 (Mamestra), see Hadula obesula ortruda
- ortruda Thieme, 1907 (Catargynnis), see Thiemeia phoronea ortruda
- ortus Schaus, 1892 (Idalus)
- ortygia Druce, 1887 (Anticla)
- ortygia de Nicéville, [1896] (Odina hieroglyphica)
- ortygia (Trimen, 1887) (Lepidochrysops)
- ortygia (Weymer, 1890) (Greta)
- ortygia (Druce, 1876) (Scada reckia)
- ortygia (Hypoleria), see Greta ortygia
- ortygia (Hypomenitis ortygia), see Greta ortygia ortygia
- ortygia (Neochrysops), see Lepidochrysops ortygia
- ortygia Druce, 1876 (Mechanitis), see Scada reckia ortygia
- ortygia Fruhstorfer, 1916 (Ageronia arete), see Hamadryas arete
- ortygia Fruhstorfer, 1916 (Ageronia arete), see Hamadryas laodamia laodamia
- ortygia Möschler, 1883 (Pamphila), see Panoquina ocola ocola
- ortygia Trimen, 1887 (Lycaena), see Lepidochrysops ortygia
- ortygia Weymer in Weymer & Maassen, 1890 (Hymenitis), see Greta ortygia
- ortygia de Nicéville in de Nicéville & Martin, [1896] (Odina), see Odina hieroglyphica ortygia
- ortygiosa Lamas & Willmott, 2005 (Hyalenna perasippe)
- ortygnus (Cramer, [1779]) (Oenomaus)
- ortygnus (Thecla), see Oenomaus ortygnus
- ortygnus Cramer, [1779] (Papilio), see Oenomaus ortygnus
- oruba (Schaus, 1892) (Leucanopsis)
- oruba (Halisidota), see Leucanopsis oruba
- oruba Schaus, 1892 (Halisidota), see Leucanopsis oruba
- oruboides (Rothschild, 1909) (Leucanopsis)
- oruboides (Halisidota), see Leucanopsis oruboides
- oruboides Rothschild, 1909 (Halisidota), see Leucanopsis oruboides
- o-rubrum (Holland, 1890) (Liptena)
- orubrum (Liptena orubrum), see Liptena o-rubrum o-rubrum
- orubrum (Liptena), see Liptena o-rubrum
- orubrum Holland, 1890, see Liptena o-rubrum
- Orudiza Walker, 1861 (Epipleminae)
- orus (Stoll, [1780]) (Lycaena)
- orus Stoll, [1780] (Papilio), see Lycaena orus
- orusca Schaus, 1902 (Thracides), see Saliana mathiolus
- Oruza Walker, 1862 (Acontiinae)
- Orvasca Walker, 1865 (Lymantriidae)
- Oryba Walker, 1856 (Macroglossinae)
- Oryba Walker, 1863 (Pyralinae), see Orybina
- Orybina Snellen, 1895 (Pyralinae)
- Oryctocera Ragonot, 1891 (Pyralinae), see Aglossa
- Oryctometopia Ragonot, 1888 (Phycitinae)
- Oryctopleura Ragonot, 1891 (Chrysauginae)
- oryssiformis Herrich-Schäffer, 1846 (Sesia), see Chamaesphecia anthraciformis
- ?oryssusalis Walker, 1859 (Botys), see Dichocrocis clioalis
- oryuzana Corbet, 1941 , see Arhopala birmana asakurae
- oryx (C. & R. Felder, 1862) (Calliades)
- oryx (Calymnia), see Hampsonodes latifascia
- oryx (Cecropterus), see Calliades oryx
- oryx C. & R. Felder, 1862 (Eudamus), see Calliades oryx
- oryx Felder & Rogenhofer, 1874 (Calymnia), see Hampsonodes latifascia
- oryzae Fletcher, 1928 (Chilo), see Chilo suppressalis
- oryzaeellus Riley, 1882 (Chilo), see Chilo plejadellus
- oryzalis Wood-Mason, 1885 (Paraponyx), see Parapoynx fluctuosalis linealis
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Markku Savela