All (in this database) Lepidoptera list (Scientific names): Part IO
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- io (Fabricius, 1775) (Automeris)
- io (Linnaeus, 1758) (Nymphalis)
- io (Inachis), see Nymphalis io
- io (Strabena), see Strabena nepos
- io Fabricius, 1775 (Bombyx), see Automeris io
- io Guérin-Méneville, [1829-1831] (Sphinx), see Paonias astylus
- io Linnaeus, 1758 (Papilio), see Nymphalis io
- io Paulian, 1950 (Strabena), see Strabena nepos
- ioan Warren, 1926, see Muschampia poggei
- ioannis (Lasippa), see Lasippa heliodore heliodore
- ioannis Eliot, 1959 (Neptis roepkei), see Lasippa heliodore heliodore
- iobaphes (Xestia), see Xestia sareptana
- iobaphes Boursin, 1936 (Rhyacia), see Xestia sareptana
- iobaphes Boursin, 1940 (Rhyacia), see Xestia sareptana
- iobates (Hopffer, 1855) (Cupidopsis)
- iobates Barnes & Lindsey, 1921 (Oidaematophorus)
- iobrota Meyrick, 1891 (Porthesia), see Euproctis lutea
- ?iocaste Boisduval, MS (Charaxes), see Charaxes achaemenes atlantica
- iocentra Meyrick, 1888 (Eucrostis), see Eucrostes disparata
- iocephala (Turner, 1902) (Austrocarea)
- iocephala Turner, 1902 (Maurilia), see Austrocarea iocephala
- iochlora (Dumigiana), see Parerastria castaneata
- iochlora Turner, 1933 (Dumigania), see Parerastria castaneata
- iochora Zeller, 1877 (Adela), see Adela caeruleella
- iochroa (Adela), see Adela caeruleella
- iochyta (Turner, 1911) (Persicoptera)
- iochyta Turner, 1911 (Scenidiopis), see Persicoptera iochyta
- iocosma Meyrick, 1886 (Compsophila)
- iocularis Röber, 1925 (Phocides), see Phocides pigmalion pigmalion
- iodamia Herrich-Schäffer, [1854] (Aganais), see Asota borbonica
- iodea (Herrich-Schäffer, 1855) (Pachydota)
- iodea (Rothschild, 1920) (Apospasta)
- iodea (Phaegoptera), see Pachydota iodea
- iodea (Polia?), see Apospasta iodea
- iodea Herrich-Schäffer, 1855 (Phegoptera), see Pachydota iodea
- iodea Rothschild, 1920 (Polia), see Apospasta iodea
- iodesma (Meyrick, 1897) (Idaea)
- iodesma Meyrick, 1897 (Eois), see Idaea iodesma
- iodinus Kaye, 1914 (Thecla), see Lamprospilus collucia
- iodioides (Lucas, 1891) (Comostola)
- iodioides Lucas, 1891 (Agathia), see Comostola iodioides
- iodnephes Collenette, 1936 (Dasychira)
- iodochra (Sugi, 1982) (Mythimna)
- iodochra (Aletia), see Mythimna iodochra
- iodochra Sugi, 1982 (Aletia), see Mythimna iodochra
- Iodopepla Franclemont, 1964 (Xyleninae)
- ioformis Raynor, 1909, see Nymphalis urticae
- ioge Prout, 1932 (Necyopa)
- ioge (Diplurodes), see Necyopa ioge
- iogramma (Meyrick, 1897) (Planolocha)
- iogramma Meyrick, 1897 (Pseudopanthera), see Planolocha iogramma
- iographa Prout, 1932 (Scardamia)
- ioi Wang & Fan, 2000 (Chrysozephyrus)
- ioides Ochsenheimer, 1807, see Nymphalis io
- Iois Doherty, 1889 (Theclinae), see Arhopala
- iola Dyar, 1913 (Hylesia)
- iola Waterhouse, 1933 (Taractrocera), see Taractrocera ina
- iolaia (Hewitson, 1856) (Ceratinia)
- iolaia Hewitson, 1856 (Ithomia), see Ceratinia iolaia
- Iolana Bethune-Baker, 1914 (Polyommatinae)
- iolanthe Eliot & Kawazoé, 1983 (Neopithecops)
- Iolaphilus (Theclinae), see Iolaus
- Iolaphilus Stempffer & Bennett, 1958 (Theclinae), see Iolaus
- iolas (Ochsenheimer, 1816) (Iolana)
- iolas Ochsenheimer, 1816 (Lycaena), see Iolana iolas
- Iolaus Hübner, [1819] (Theclinae)
- iole (Schaus, 1894) (Eriopyga)
- iole Waterhouse & Lyell, 1914 (Pseudodipsas eone)
- iole (Leech, [1892]) (Paroeneis palaearcticus)
- iole Boisduval, [1836] (Nathalis)
- iole (Lachnoptera iole), see Lachnoptera anticlia
- iole (Lachnoptera), see Lachnoptera anticlia
- iole (Marpesia), see Marpesia furcula
- iole (Paroeneis palearcticus), see Paroeneis palaearcticus iole
- iole (Platysenta), see Condica mobilis
- iole (Pseudodipsas), see Pseudodipsas eone iole
- iole (Timetes), see Marpesia furcula
- iole Cramer, 1775 (Papilio), see Vanessa virginiensis
- iole Druce in Godman & Salvin, 1884 (Macrocneme), see Macrocneme chrysitis
- iole Drury, 1782 (Papilio), see Marpesia furcula furcula
- iole Fabricius, 1781 (Papilio), see Lachnoptera anticlia
- iole Schaus, 1894 (Orthodes), see Eriopyga iole
- iole Waterhouse & Lyell, 1914 (Pseudodipsas), see Pseudodipsas eone iole
- iolealis (Walker, 1859) (Sameodes)
- iolealis Walker, 1859 (Lepyrodes), see Sameodes iolealis
- iolepta Dyar, 1914 (Cataclysta)
- ioleuca Prout, 1928 (Thalatha sinens)
- iolus (Telegonius), see Carystus jolus
- iomelas (Draudt, 1950) (Haderonia)
- iomelas Draudt, 1950 (Lasiridia), see Haderonia iomelas
- iomolybda Meyrick, 1889 (Homodes)
- ion (Leech, 1891) (Tongeia)
- ion (Druce, 1890) (Micandra)
- ion (Westwood, 1851) (Menander hebrus)
- ion (Everes), see Tongeia ion
- ion (Thecla), see Micandra ion
- ion Doubleday, 1847 (Tharops), see Menander hebrus ion
- ion Druce, 1890 (Thecla), see Micandra ion
- ion Leech, 1891 (Lycaena), see Tongeia ion
- ion Westwood, 1851 (Lemonias), see Menander hebrus ion
- iona Doubleday, [1848] (Ectima)
- iona Grose-Smith, 1894 (Junonia erigone)
- iona Talbot, 1939 (Eurema ada)
- iona (Precis erigone), see Junonia erigone iona
- iona Grose-Smith, 1894 (Junonia), see Junonia erigone iona
- ione (Godart, 1819) (Colotis)
- ione (Colotis ione f.), see Colotis ione
- ione (Teracolus), see Colotis ione
- ione Butler, 1875 (Spilarctia), see Spilarctia seriatopunctata
- ione Godart, 1819 (Pieris), see Colotis ione
- Ionescumia Capuse, 1971 (Coleophoridae), see Coleophora
- ioneura Meyrick, 1890 (Dichromodes)
- ionia (Fischer de Waldheim & Eversmann, 1851) (Thaleropis)
- ?ionia (Apaturopsis), see Thaleropis ionia
- ?ionia (Precis), see Thaleropis ionia
- ionia Fischer de Waldheim & Eversmann, 1851 (Vanessa), see Thaleropis ionia
- ionima Stichel, 1910 (Semomesia capanea)
- ionis de Nicéville, 1895 (Ismene), see Bibasis iluska
- ionius Westwood, [1851] (Lymanopoda)
- Ionnemesia Capuse, 1973 (Coleophoridae), see Coleophora
- ionochrota Hampson, 1926 (Plusiodonta)
- ionola (Swinhoe, 1901) (Heliocheilus)
- ionola Swinhoe, 1901 (Adisura), see Heliocheilus ionola
- Ionolyce Toxopeus, 1929 (Polyommatinae)
- Iontha Doubleday, 1842 (Calpinae)
- ionthada Collenette, 1957 (Euproctis)
- Ionthas Hampson, 1914 (Lithosiinae)
- iopanae Vázquez, 1957 (Battus f.), see Battus laodamas copanae
- ioparia Swinhoe, 1902 (Sterrha), see Dithalama persalsa
- iopas (Godman & Salvin, 1897) (Battus laodamas)
- iopas (Papilio), see Battus laodamas iopas
- iopas Godman & Salvin, 1897 (Papilio), see Battus laodamas iopas
- iopas Godman & Salvin, [1887] (Thecla), see Arumecla galliena
- iophaenna Turner, 1920 (Eublemma)
- Iophanus Draudt, [1920] (Lycaeninae)
- iophrica Turner, 1907 (Euchoeca), see Eois cymatodes
- Ioplocama Clemens, 1860 (Olethreutinae), see Phaneta
- iopolia (Turner, 1926) (Poecilasthena)
- iopolia Fletcher, 1957 (Ericeia), see Ericeia pertendens
- iopolia Turner, 1926 (Eccymatoge), see Poecilasthena iopolia
- ioptera Wiltshire, 1977 (Metopoceras)
- ioptila (Viette) (Scrancia)
- ioptila Viette (Turnacoids), see Scrancia ioptila
- iorrhoa (Meyrick, 1902) (Neumichtis)
- iorrhoa (Euplexia), see Neumichtis iorrhoa
- iorrhoa Meyrick, 1902 (Hadena), see Neumichtis iorrhoa
- iorrhoda Turner, 1931 (Clytoscopa)
- ios Diakonoff, 1950 (Cerace)
- ios Waterhouse & Lyell, 1914 (Nacaduba), see Petrelaea tombugensis
- iosoma Meyrick, 1889 (Nemoria), see Hemithea wuka
- iosticta (Meyrick, 1888) (Prasinocyma)
- iosticta Meyrick, 1888 (Iodis), see Prasinocyma iosticta
- iota Dyar, 1918 (Chabuata)
- iota Heinrich, 1956 (Sarata)
- Iotaphora Warren, 1894 (Geometrinae)
- iothicta Meyrick, 1902 (Eublemma), see Autoba subcinerea
- iovis Fruhstorfer, see Pseudodipsas eone iovis
- iowa (Scudder, 1868) (Atrytone arogos)
- iowa Scudder, 1868 (Hesperia), see Atrytone arogos iowa
- iowa Scudder, 1869 (Hesperia), see Atrytone arogos iowa
- iowana McDunnough, 1935 (Epiblema)
- ioxus (Leucochitonea), see Paches loxus loxus
- Ipana Jordan in Rothschild & Jordan, 1896 (Agaristinae), see Ipanica
- Ipana Walker, 1858 (Ennominae), see Declana
- Ipanica Hampson, 1908 (Agaristinae)
- Iparsa (Agaristinae), see Ipanica
- ipaykala Ronkay, Varga & Hreblay, 1998 (Dasypolia)
- iphianassa Doubleday, 1847 (Ithomia)
- ?iphianassa Butler, 1866, see Euploea leucostictos iphianassa
- iphianassa (Euploea nemertes), see Euploea leucostictos iphianassa
- iphianassa Doubleday, [1845] (Ceratinia), see Ithomia iphianassa iphianassa
- iphias Eversmann, 1851 (Coenonympha saadi)
- iphias Stichel, 1909 (Leucochimona)
- Iphias Boisduval, 1836 (Pierinae), see Hebomoia
- iphicarmon Eckweiler & Rose, 1993 (Polyommatus)
- iphicla (Adelpha), see Adelpha iphiclus
- iphicla (Limenitis iphicla), see Adelpha iphiclus iphiclus
- iphicla (Papilio), see Adelpha iphiclus
- iphicleola (Bates, 1864) (Adelpha)
- iphicleola (Adelpha iphiclus), see Adelpha iphicleola
- iphicleola Bates, 1864 (Heterochroa), see Adelpha iphicleola
- iphicles Staudinger, 1892 (Coenonympha glycerion)
- iphicles Staudinger, 1886, see Iolana gigantea
- Iphiclides Hübner, [1819] (Papilioninae)
- iphiclina Le Moult & Réal, 1962 (Morpho telemachus foucheri f.), see Morpho telemachus iphiclus
- iphiclus (Linnaeus, 1758) (Adelpha)
- iphiclus C. & R. Felder, 1862 (Morpho telemachus)
- iphiclus Linnaeus, 1758 (Papilio), see Adelpha iphiclus
- iphicrates Mabille, 1878 (Camptopleura), see Camptopleura termon
- iphida (Swinhoe, 1901) (Etanna)
- iphida (Apothripa), see Etanna iphida
- iphida Swinhoe, 1901 (Clettharra), see Etanna iphida
- iphidamas (Fabricius, 1793) (Parides)
- iphidamas (Papilio iphidamas), see Parides iphidamas iphidamas
- iphidamas (Papilio), see Parides iphidamas
- iphidamas Fabricius, 1793 (Papilio), see Parides iphidamas
- iphidamon (Staudinger, 1899) (Polyommatus)
- iphidamon Staudinger, 1899 (Lycaena damone var.), see Polyommatus iphidamon
- ?iphidicles (Papilioninae), see Iphiclides
- iphigenia (Herrich-Schäffer, [1847]) (Polyommatus)
- iphigenia Oberthür, 1916 (Perisama xanthica)
- iphigenia Herrich-Schäffer, 1862 (Hypna clytemnestra)
- iphigenia (Graeser, 1888) (Clossiana)
- iphigenia Pyrcz, 2004 (Oxeoschistus)
- iphigenia Stichel, 1926 (Mesosemia asa)
- iphigenia (Agrodiaetus), see Polyommatus iphigenia
- iphigenia (Cethosia chrysippe), see Cethosia cydippe iphigenia
- iphigenia (Hypna), see Hypna clytemnestra iphigenia
- iphigenia (Perisama oppelii), see Perisama xanthica iphigenia
- iphigenia Cramer, [1775] (Papilio), see Hypolimnas bolina nerina
- iphigenia Esper, 1782 (Papilio), see Melitaea trivia
- iphigenia Fruhstorfer, 1907 (Melete lycimnia), see Melete lycimnia peruviana
- iphigenia Fruhstorfer, see Cethosia cydippe iphigenia
- iphigenia Herrich-Schäffer, [1847] (Lycaena), see Polyommatus iphigenia
- iphigenia Herrich-Schäffer, [1851] (Lycaena), see Polyommatus iphigenia
- iphigenia Schulze, 1776 (Papilio), see Perrhybris pamela pamela
- iphigenia Westwood, 1850 (Hecalene), see Hypna clytemnestra iphigenia
- iphigenides (Staudinger, 1886) (Polyommatus)
- iphigenides (Agrodiaetus), see Polyommatus iphigenides
- iphigenides Staudinger, 1886 (Lycaena), see Polyommatus iphigenides
- iphigenius (Polyommatus), see Polyommatus iphigenia
- Iphimedeia Fruhstorfer, 1912 (Morphinae), see Morpho
- iphimedes Röber, 1916 (Anaea vicinia), see Memphis phantes phantes
- iphimedia (Plötz, 1886) (Cyclopyge roscius)
- iphimedia Fruhstorfer, 1915 (Adelpha iphicleola)
- iphimedia Esper, [1804] (Sphinx), see Amata phegea
- iphimedia Plötz, 1886 (Pyrrhopyga roscius), see Cyclopyge roscius iphimedia
- Iphimorpha (Xyleninae), see Ipimorpha
- iphimutius Le Moult & Réal, 1962 (Mropho f.), see Morpho telemachus iphiclus
- iphina Staudinger, 1892 (Coenonympha glycerion)
- iphinoe Godart, [1824] (Erycina), see Rhetus periander periander
- iphinous (Latreille, [1924]) (Elbella)
- iphinous Latreille, [1924] (Hesperia), see Elbella iphinous
- iphioides Staudinger, 1870 (Coenonympha)
- iphis (Walker, 1856) (Aleuron)
- iphis (Drury, [1773]) (Pyrrhochalcia)
- iphis Waterhouse & Lyell, 1914 (Ogyris)
- iphis (Latreille, [1813]) (Memphis)
- iphis Denis & Shiffermüller, 1775 (Papilio), see Coenonympha glycerion
- iphis Drury, [1773] (Papilio), see Pyrrhochalcia iphis
- iphis Latreille, [1813] (Nymphalis), see Memphis iphis
- iphis Meigen, 1830, see Polyommatus icarus
- iphis Walker, 1856 (Enyo), see Aleuron iphis
- iphita (Cramer, [1779]) (Junonia)
- iphita (Precis), see Junonia iphita
- iphita Cramer, [1779] (Papilio), see Junonia iphita
- iphitalis (Walker, 1859) (Chalcoela)
- iphitas Hübner, [1821] (Eurytides)
- iphitas (Papilio), see Eurytides iphitas
- iphitus C. & R. Felder, 1867 (Morpho), see Morpho epistrophus epistrophus
- Iphixibia Le Moult & Réal, 1962 (Morphinae), see Morpho
- Iphthima (Satyrinae), see Ypthima
- iphthime (Bates, 1864) (Hamadryas)
- iphthime (Ageronia), see Hamadryas iphthime
- iphthime (Peridromia), see Hamadryas iphthime
- iphthime Bates, 1864 (Ageronia), see Hamadryas iphthime
- Ipidecla Dyar, 1916 (Theclinae)
- ipilla (Dyar, 1916) (Tripudia)
- ipilla Dyar, 1916 (Cobubatha), see Tripudia ipilla
- Ipimorpha Hübner, [1821] (Xyleninae)
- ipiranga (Harvey & Hall, 2002) (Detritivora)
- ipiranga Harvey & Hall, 2002 (Charis), see Detritivora ipiranga
- Ipocia Brévignon, 2000 (Theclinae), see Evenus
- ipomaeae Doubleday, 1841 (Schizura), see Schizura ipomoeae
- ipomeae (Syntomeida), see Syntomeida ipomoeae
- ipomoeae (Harris, 1839) (Syntomeida)
- ipomoeae Doubleday, 1841 (Schizura)
- ipomoeae Harris, 1839 (Glaucopis), see Syntomeida ipomoeae
- ipomoealis (Capps, 1964) (Herpetogramma)
- ipomopsis (Lower, 1892) (Chlorocoma)
- ipomopsis Lower, 1892 (Iodis), see Chlorocoma ipomopsis
- ipona Fruhstorfer, 1913 (Euthalia)
- iponus (Fruhstorfer, 1902) (Graphium agetes)
- iponus (Pathysa agetes), see Graphium agetes iponus
- iponus Fruhstorfer, 1902 (Papilio agetes), see Graphium agetes iponus
- ippolene Schintlmeister, 1994 (Dura), see Dura alba
- ipsea (Druce, 1884) (Symphlebia)
- ipsea ( azan), see Juditha dorilis
- ipsea Druce in Godman & Salvin, 1884 (Mazaeras), see Symphlebia ipsea
- ipsea Godman & Salvin, [1886] (Nymphidium), see Juditha dorilis
- ipsidomo (Dyar, 1914) (Elaphria)
- ipsidomo Dyar, 1914 (Monodes), see Elaphria ipsidomo
- ipsilon (Hufnagel, 1766) (Agrotis)
- ipsilon Hufnagel, 1766 (Phalaena), see Agrotis ipsilon
- ipthime (Hamadryas ipthime), see Hamadryas iphthime iphthime
- iquita (Bell, 1941) (Cynea)
- iquita Bell, 1941 (Rhinthon), see Cynea iquita
- iquitensis Staudinger, [1884] (Napeogenes larina)
- iquitina Bryk, 1953 (Hypoleria cidonia), see Hypoleria lavinia chrysodonia
- iquitos (Harvey & Hall, 2002) (Detritivora)
- iquitos Harvey & Hall, 2002 (Charis), see Detritivora iquitos
- iquitosiana Fernández, 1928 (Dynamine f.), see Dynamine pebana pebana
- ira (Butler, 1870) (Parphorus)
- ira (Druce, 1896) (Gangamela)
- ira (Druce, 1889) (Euryptidia)
- ira (Hewitson, 1867) (Michaelus)
- ira (Moore, [1897]) (Bassarona teuta)
- Ira Neumoegen, 1890 (Pericopinae), see Syntomidopsis
- ira Butler, 1870 (Apaustus), see Parphorus ira
- ira Druce, 1889 (Ptychoglene), see Euryptidia ira
- ira Druce, 1896 (Charidea), see Gangamela ira
- ira Hewitson, 1867 (Thecla), see Michaelus ira
- ira Moore, [1897] (Bassarona), see Bassarona teuta ira
- iracema J. & W. Zikán, 1968 (Thecla), see Atlides zava
- iracunda Kolesnichenko & Churkin, 2000 (Melitaea pallas)
- iradia Poey, [1852] (Terias), see Eurema messalina
- iragorri (Dognin, 1902) (Idalus)
- iragorri Dognin, 1902 (Automolis), see Idalus iragorri
- iraidari Lichy, 1960 (Papilio f.), see Papilio astyalus hippomedon
- irakana Heydemann, Schulte & Remane, 1963 (Cerura vinula)
- irakella Amsel, 1949 (Ancylolomia), see Ancylolomia tentaculella
- irakella Amsel, 1959 (Ephestia), see Cadra cautella
- irana Brandt, 1938 (Catocala abacta)
- Iranada Wiltshire, 1977 (Catocalinae)
- iranella Zerny, 1940 (Ethmia)
- iranella Ragonot, 1887 (Ancylosis)
- iranella Zerny, 1940 (Ethmia bipunctella ssp.), see Ethmia iranella
- iranensis Petersen, 1960 (Morophagoides)
- irangi Oremans, 2000 (Euphaedra cuprea)
- ?irangi Hecq, 2004 (Euphaedra)
- irangiana Wichgraf, 1913 (Aegocera), see Aegoceropsis brevivitta
- iraniana Triberti, 1989 (Acrocercops)
- iraniana Razowski, 1963 (Euxanthoides), see Cochylimorpha diana
- iranica (Brandt, 1938) (Parocneria)
- iranica (Kotzch, 1940) (Deltote)
- iranica Ronkay, 1989 (Autophila)
- iranica Wiltshire, 1971 (Epharmottomena nana)
- iranica (Brandt, 1941) (Cucullia syrtana)
- iranica Agenjo, 1941 (Thaumetopoea solitaria)
- iranica Grum-Grshimailo, 1895 (Erebia)
- iranica Forster, 1939 (Aporia crataegi)
- iranica Bienert, 1870 (Pontia glauconome)
- iranica Amsel, 1949 (Talis quercella)
- iranica Deschka, 1981 (Bucculatrix)
- iranica Deschka, 1979 (Phyllonorycter)
- iranica Razowski, 1963 (Aethes)
- iranica (Clytie distincta), see Clytie distincta
- iranica (Eustrotia), see Deltote iranica
- iranica (Kretania), see Plebejus iranicus
- iranica Amsel, 1949 (Talis), see Talis quercella iranica
- iranica Brandt, 1938 (Ocneria), see Parocneria iranica
- iranica Brandt, 1939 (Clytie distincta), see Clytie distincta
- iranica Brandt, 1941 (Pseudocopicucullia syrtana), see Cucullia syrtana iranica
- iranica Bytinski-Salz & Brandt, 1937 (Aegle), see Aegle gratiosa
- iranica Draudt, 1938 (Agrotis senna), see Spaelotis senna contorta
- iranica Forster, 1938 (Lycaena eurypilus), see Plebejus iranicus
- iranica Forster, 1938 (Lycaena), see Plebejus zephyrinus ordubadi
- iranica Kotzch, 1940 (Eustrotia), see Deltote iranica
- iranica Le Cerf, 1913 ( rapae), see Pieris rapae meleager
- iranica Pfeiffer, 1938 (Lycaena), see Polyommatus coelestina
- iranica Riley, 1921 (Pararge megaera), see Lasiommata megera
- iranica Schwingenschuss, 1937 (Oncocnemis mongolica), see Oncocnemis exacta
- iranica Schwingenschuss, 1939 (Ogygia celsicola), see Dichagyris celsicola
- iranica Schwingenschuss, 1955 (Rhyacia elegans), see Chersotis anatolica
- iranica, see Plebejus iranicus
- iranicola Koçak, 1980 (Dichagyris)
- iranicola (Yigona), see Dichagyris iranicola
- iranicola Koçak, 1980 (Yigona forcipula), see Dichagyris iranicola
- iranicola Koçak, 1980, see Plebejus zephyrinus ordubadi
- iranicus (Forster, 1938) (Plebejus)
- iranicus Schwingenschuss, 1939 (Satyrus)
- iranicus (Polyommatus), see Plebejus iranicus
- Iransharia Amsel, 1959 (Phycitinae), see Ancylosis
- Iraota Moore, [1881] (Theclinae)
- irata Joicey & Kaye, 1917 (Marumba gaschkewitschii)
- irata Swett, 1910 (Hydriomena)
- irata Butler, 1869 (Emesis), see Symmachia rubina rubina
- irata Joicey & Kaye, 1917 (Marumba), see Marumba gaschkewitschii irata
- Iratsume Sibatani & Ito, 1942 (Theclinae)
- irauana (Achillides karna), see Papilio karna irauana
- irauana Jumalon, 1975, see Papilio karna irauana
- irava (Moore, [1858]) (Hidari)
- irava Moore, [1858] (Hesperia), see Hidari irava
- irawada Moore, 1877 (Euploea), see Euploea midamus
- irawana (Hayashi, Schröder & Treadaway, 1984) (Hypolycaena)
- Irazona Razowski, 1964 (Tortricinae)
- irazuna (Draudt, 1924) (Praina)
- irazuna Draudt in Seitz, 1924 (Rhizagrotis), see Praina irazuna
- Ircila Houlbert, 1918 (Castniinae)
- irelandi Gunder, 1929 (Euphydryas anicia)
- irelandi Gunder, 1929, see Euphydryas chalcedona sierra
- iremeli Nupponen, Ahola & Kullberg, 2001 (Agrotis)
- iremelica Korshunov, 1995, see Erebia euryale
- irena Evans, 1955 (Neoxeniades)
- ?irena Corbet & Pendlebury, 1932 (Eurema simulatrix)
- irena (Eurema), see Eurema simulatrix irena
- irenae Buszko, 1989 (Elachista)
- irenae (Corbet, 1937) (Udara placidula)
- irenae Corbet, 1937 (Tanaecia pelea)
- irenae Corbet, 1937 (Celastrina), see Udara placidula irenae
- irenae Corbet, 1937 (Tanaecia), see Tanaecia pelea irenae
- irenaea[sic?] (Thisbe), see Thisbe irenea
- irenaephis Bryk (Parnassius acdestis)
- irene (Cramer, [1779]) (Pseudautomeris)
- irene (Barnes & Busck, 1920) (Antaeoricha)
- irene Prout, 1915 (Conchylia)
- irene Evans, 1941 (Celaenorrhinus inaequalis)
- irene Butler, 1881 (Diacrisia)
- irene (Druce, 1885) (Dysschema)
- irene Behr, 1870 (Catocala)
- irene (Pennington, 1968) (Chrysoritis)
- ?irene (Fruhstorfer, 1910) (Euploea algea)
- irene (Drury, 1782) (Tithorea harmonia)
- irene (Boisduval, 1869) (Speyeria atlantis)
- irene Joicey & Talbot, 1921 (Papilio alcmenor)
- irene Bryk & Eisner (Parnassius cephalus)
- irene (Westwood, 1851) (Calospila)
- ?irene Edwards, see Speyeria callippe rupestris
- irene (Argynnis rupestris), see Speyeria atlantis irene
- irene (Calliona), see Calospila irene
- irene (Euploea), see Euploea algea irene
- irene (Lemonias), see Calospila irene
- irene (Poecilmitis), see Chrysoritis irene
- irene (Tithorea), see Tithorea harmonia irene
- irene Boisduval, 1869 (Argynnis egleis var.), see Speyeria atlantis irene
- irene Cramer, [1779] (Phalaena), see Pseudautomeris irene
- irene Druce, 1885 (Pericopis), see Dysschema irene
- irene Drury, 1782 (Papilio), see Tithorea harmonia irene
- irene Evans, 1941 (Celaenorrhinus), see Celaenorrhinus inaequalis irene
- irene Fitch, [1857] (Nathalis), see Nathalis iole
- irene Fruhstorfer, 1910 (Euploea), see Euploea algea irene
- irene Joicey & Talbot, 1921 (Papilio rhetenor), see Papilio alcmenor irene
- irene Pennington, 1968 (Poecilmitis), see Chrysoritis irene
- irene Westwood, 1851 (Lemonias), see Calospila irene
- irenea (Stoll, [1780]) (Thisbe)
- irenea (Lemonias), see Thisbe irenea
- irenea Boisduval, 1874 (Eusemia), see Episteme maculatrix
- irenea Stoll, [1780] (Papilio), see Thisbe irenea
- irenella (Busck, 1911) (Eomichla)
- irenica (Meyrick, 1886) (Nola)
- irenica (Celama), see Nola irenica
- irenica Meyrick, 1886 (Sorocostia), see Nola irenica
- Irenicodes Meyrick, 1919 (Elachistidae), see Elachista
- irenides Butler, 1872 (Pericopis), see Chetone angulosa
- irentis Smith, 1905 (Yrias), see Metalectra miserulata
- Ireocampa Rambur, 1858 (Lasiocampinae), see Lasiocampa
- irfana (de Freina, 1983) (Notodonta tritophus)
- irfana (Notodonta tritopha), see Notodonta tritophus irfana
- irfana de Freina, 1983 (Tritopha tritophus), see Notodonta tritophus irfana
- irghiza (Nekrutenko, 1985) (Athamanthia dimorpha)
- irghiza (Athamanthia japhetica), see Athamanthia dimorpha irghiza
- irghiza Nekrutenko, 1985 (Lycaena japhetica), see Athamanthia dimorpha irghiza
- iria (Euchromia), see Euchromia irius
- iriastis Meyrick, 1890 (Syntonarcha)
- irichampa Dyar, 1914 (Anthopteryx)
- iricolor (Holland, 1890) (Pteroteinon)
- iricolor Smith, 1888 (Oncocnemis)
- iricolor Godman in Godman & Salvin, [1901] (Orses), see Alera haworthiana
- iricolor Holland, 1890 (Proteides), see Pteroteinon iricolor
- iricolor Michael, 1931 (Morpho hecuba phanodemus ab.), see Morpho cisseis gahua
- irida Zhdanko, 1993 (Spialia struvei)
- Iridana Aurivillius, 1921 (Poritiinae)
- iridana Barnes & Busck, 1920 (Platynota), see Platynota flavedana
- iridaria (Debauche, 1941) (Microplutodes)
- iridaria (Guenée, 1857) (Dichorda)
- iridaria Debauche, 1941 (Plutodes), see Microplutodes iridaria
- iridaria Guenée in Boisduval & Guenée, 1857 (Geometra), see Dichorda iridaria
- iridella Chambers, 1873, see Paraclemensia acerifoliella
- iridescens (Warren) (Maxates)
- iridescens Schaus, 1894 (Munona)
- iridescens Rothschild, 1910 (Zatrephes)
- iridescens Rothschild, 1913 (Trischalis)
- iridescens Janse, 1915 (Euproctis)
- iridescens (Lucas, 1894) (Eudocima)
- iridescens Draudt, 1924 (Eriopyga)
- iridescens (Son, 1933) (Nola)
- iridescens (Halisidota), see Munona iridescens
- iridescens (Lambula), see Lambula pristina
- iridescens Lucas, 1890 (Scoliacma), see Lambula pristina
- iridescens Lucas, 1894 (Othreis), see Eudocima iridescens
- iridescens Son, 1933 (Celama), see Nola iridescens
- iridescoides Holloway, 1996 (Maxates)
- iridesma Meyrick, 1930 (Carmentina)
- irideus Zikán, 1935 (Morpho f.), see Morpho hercules
- iridias (Meyrick, 1889) (Aiteta)
- iridias Meyrick, 1889 (Thyrsoscelis), see Aiteta iridias
- iridicolor (Butler, 1880) (Iotaphora)
- iridicolor Butler, 1880 (Panaethia), see Iotaphora iridicolor
- iridis (Hampson, 1898) (Uranophora)
- iridis Dyar, 1923 (Oligia bridghami)
- iridis Butler, 1880 (Dissophthalmus), see Tasta micaceata
- iridis Dyar, 1923 (Oligia), see Oligia bridghami iridis
- iridis Hampson, 1898 (Napata), see Uranophora iridis
- iridis Koutsaftikis, 1973, see Eilema caniola
- Iridobapta Warren, 1903 (Ennominae)
- iridocosma Turner, 1908 (Alypophanes)
- Iridoplecta Warren (Ennominae)
- Iridopsis Warren, 1894 (Ennominae)
- Iridopsis Aurivillius, 1898 (Poritiinae), see Iridana
- Iridrepana (Drepaninae), see Tridrepana
- irina Stichel, 1928 (Calephelis), see Calephelis iris
- irinae Savenkov, 1989 (Dryadaula)
- irinae (Savenkov, 1989)¹ (Archimeessia)
- irinae Dantchenko, 1997, see Polyommatus damone irinae
- irinae Krulikovsky, 1909 (Colias myrmidone ermak ab. ), see Colias myrmidone ermak
- iringae Kielland, 1990 (Charaxes mccleeryi)
- irioleuca (Meyrick, 1897) (Audea)
- irioleuca (Hampson, 1918) (Pseudoleucania)
- irioleuca Hampson, 1918 (Euxoa), see Pseudoleucania irioleuca
- irioleuca Meyrick, 1897 (Thyas), see Audea irioleuca
- irion Seitz, 1917 (Stalachtis phlegia f.), see Stalachtis phlegia phlegetontia
- iris (Walker, 1865) (Automeris)
- iris (Butler, 1880) (Hypochrosis)
- iris Rupert, 1949 (Plagodis phlogosaria)
- iris (Zetterstedt, 1839) (Hillia)
- iris Guenée, 1852 (Phlogophora)
- iris (Lang, 1884) (Albulina)
- iris (Linnaeus, 1758) (Apatura)
- iris (Aurivillius, 1903) (Euriphene)
- iris Widley, [1941] (Hypolimnas bolina)
- iris (C. & R. Felder, 1867) (Magneuptychia)
- iris Leech, 1891 (Ypthima)
- iris (Röber, 1888) (Troides staudingeri)
- iris (Staudinger, 1876) (Calephelis)
- ?iris (Papilio), see Troides staudingeri iris
- Iris Staudinger, 1891 (Poritiinae), see Iridana
- iris (Charis), see Calephelis iris
- iris (Euryphene), see Euriphene iris
- iris (Farsia iris), see Albulina iris iris
- iris (Farsia), see Albulina iris
- iris (Lymantria obsoleta), see Lymantria serva
- iris (Phoenix), see Hypochrosis iris
- iris (Troides haliphron), see Troides staudingeri iris
- iris (Vacciniina), see Albulina iris
- iris (Ytphima), see Ypthima iris
- iris Butler, 1880 (Phoenix), see Hypochrosis iris
- iris C. & R. Felder, 1867 (Neonympha), see Magneuptychia iris
- iris Kirby, 1884 (Pavonia), see Caligo atreus atreus
- iris Lang, 1884 (Lycaena), see Albulina iris
- iris Le Moult, 1940 (Helicopis agardi legayi f.), see Helicopis cupido erotica
- iris Linnaeus, 1758 (Papilio), see Apatura iris
- iris Riffarth, 1907 (Heliconius melpomene aglaope f.), see Heliconius melpomene malleti
- iris Röber, 1888 (Ornithoptera), see Troides staudingeri iris
- iris Staudinger, 1876 (Charis), see Calephelis iris
- iris Staudinger, 1886 (Lycaena), see Albulina iris
- iris Strand in Seitz, 1910 (Lymantria obsoleta), see Lymantria serva
- iris Walker, 1865 (Hyperchiria), see Automeris iris
- iris Waterhouse, 1932 (Padraona), see Arrhenes dschilus
- iris Wildey, [1941] (Hypolimnas bolina incommoda fem. ab.), see Hypolimnas bolina bolina f. iris
- iris Zetterstedt, 1839 (Hadena), see Hillia iris
- ?irisa Fruhstorfer, 1915 (Adelpha), see Adelpha sichaeus
- irisa Fruhstorfer, 1913 (Adelpha), see Adelpha sichaeus
- irius (Boisduval, 1832) (Euchromia)
- irius (Fabricius, 1775) (Hypocysta)
- ?irius ( =euchromia), see Euchromia aemulina
- irius Boisduval, 1832 (Glaucopis), see Euchromia irius
- irius Fabricius, 1775 (Papilio), see Hypocysta irius
- iriusalis (Walker, 1859) (Eoophyla)
- iriusalis Walker, 1859 (Oligostigma?), see Eoophyla iriusalis
- iriya (Fruhstorfer, 1914) (Flos)
- iriya Fruhstorfer, 1914 (Arhopala apidanus), see Flos iriya
- irkana Wiltshire, 1936 (Earias)
- irkuta Zhdanko, [1996] (Neolycaena)
- irkuta Draudt, 1934 (Perigrapha), see Perigrapha circumducta
- irkutica Sukhareva, 1979 (Sideridis)
- irkutskana Stauder, 1924 (Colias hyale)
- irma (Möschler, 1879) (Cynea)
- irma Schaus, 1920 (Paranerita)
- irma Fruhstorfer, 1914 (Arhopala)
- irma (Evans, 1925) (Esakiozephyrus mandara)
- irma Fruhstorfer, 1907 (Adelpha zina)
- irma (Fruhstorfer, 1905) (Tanaecia julii)
- irma Lamas, 1979 (Pseudopieris nehemia)
- ?irma (Colias montium), see Colias arida
- ?irma Evans, 1923 (Lethe), see Lethe sidonis
- ?irma Evans, 1924 (Colias cocandica), see Colias arida
- irma (Adelpha), see Adelpha zina irma
- irma (Cepora iudith), see Cepora judith irma
- irma (Esakiozephyrys bieti), see Esakiozephyrus mandara irma
- irma (Narathura irma), see Arhopala irma irma
- irma (Narathura), see Arhopala irma
- irma Evans, 1923, see Argestina irma
- irma Fruhstorfer, 1903, see Euploea phaenareta irma
- irma Fruhstorfer, 1905 (Euthalia julii), see Tanaecia julii irma
- irma Fruhstorfer, 1907 (Adelpha), see Adelpha zina irma
- irma Fruhstorfer, 1907, see Delias aruna irma
- irma Fruhstorfer, 1908 (Eunica), see Eunica alcmena flora
- irma Fruhstorfer, see Prothoe franck irma
- irma Fruhstorfer, see Cepora judith irma
- irma Godart, [1824] (Nymphalis), see Dynamine tithia tithia
- irma Higgins, 1941 (Melitaea arcesia), see Melitaea arcesia
- irma Krüger, 1929 (Catopsilia ab.), see Phoebis philea philea
- irma Möschler, 1879 (Pamphila), see Cynea irma
- irma Plötz, 1882 (Hesperia), see Cynea irma
- irmae Bailey, 1932 (Lycaena)
- irmae Hayashi, Schröder & Treadaway, 1982 (Dacalana)
- irmae (Bryk, 1932) (Parnassius imperator)
- irmae Forbes, 1885, see Cyrestis irmae
- irmella (Palm, 1947) (Phyllonorycter)
- irmina (Doubleday, [1848]) (Adelpha)
- irmina (Doubleday, [1849]) (Mygona)
- irmina Doubleday, [1848] (Heterochroa), see Adelpha irmina
- irmina Doubleday, [1849] (Pronophila), see Mygona irmina
- irmina Fruhstorfer, see Jacoona irmina
- irminella Strand, 1918 (Adelpha leucophthalma)
- iroceraea Collenette, 1959 (Homoeomeria)
- iroides (Boisduval, 1852) (Incisalia augustinus)
- iroides (Callophrys augustinus), see Incisalia augustinus iroides
- iroides (Incisalia augustus), see Incisalia augustinus iroides
- iroides (Incisalia), see Incisalia augustinus iroides
- iroides Boisduval, 1852 (Thecla), see Incisalia augustinus iroides
- Ironga (Danainae), see Euploea
- Iropoca Turner, 1904 (Lymantriidae)
- irosus (Antigonus), see Antigonus erosus
- irpenjensis Holik & Reiss, 1932, see Zygaena osterodensis osterodensis
- irradiata (Prochoreutis), see Prochoreutis stellaris
- irradiata Meyrick, 1913 (Choreutis), see Prochoreutis stellaris
- irrai Lichy, 1946 (Pteronymia lincera ab.), see Pteronymia veia veia
- irraria (Barnes & McDunnough, 1917) (Euchlaena)
- irrecta Walker, 1865, see Hemeroplanis scopulepes
- irrectellus (Möschler, 1882) (Pseudometachilo)
- irrectellus Möschler, 1882 (Chilo), see Pseudometachilo irrectellus
- irregularia (Barnes & McDunnough, 1918) (Synchlora)
- irregularia Barnes & McDunnough, 1918 (Racheospila), see Synchlora irregularia
- irregularis (Walker, 1856) (Hippotion)
- irregularis Prout, 1915 (Nothofidonia bicolor)
- irregularis (Warren, 1894) (Jodis)
- irregularis (Warren, 1896) (Anisodes)
- irregularis Devyatkin & Monastyrskii, 2002 (Capila lineata)
- irregularis (Rothschild, 1909) (Araeomolis)
- irregularis Rothschild, 1909 (Paranerita)
- irregularis (Rothschild, 1916) (Phaegoptera)
- irregularis Moore, 1882 (Rajendra)
- irregularis Rothschild, 1917 (Robinsonia)
- irregularis (Rothschild, 1910) (Spilarctia)
- irregularis (Lucas, 1890) (Philenora)
- irregularis (Bethune-Baker, 1904) (Parakanchia)
- irregularis (Hufnagel, 1766) (Hadena)
- irregularis (Walker, 1857) (Leucania)
- irregularis Bethune-Baker, 1903 (Arhopala)
- irregularis Puplesis, 1994 (Stigmella)
- irregularis (Estigmene), see Rajendra irregularis
- irregularis (Mythimna), see Leucania irregularis
- irregularis (Narathura), see Arhopala irregularis
- irregularis Bethune-Baker, 1904 (Euproctis), see Parakanchia irregularis
- irregularis Felder, 1874 (Hyalurga), see Hyalurga albovitrea
- irregularis Gaede, 1926 (Teracotona rhodophaea f.), see Teracotona rhodophaea
- irregularis Hampson, 1900 (Teratopora), see Teratopora acosma
- irregularis Holl, 1913 (Thais rumina ab.), see Zerynthia rumina africana
- irregularis Hufnagel, 1766 (Phalaena), see Hadena irregularis
- irregularis Lucas, 1890 (Comarchis), see Philenora irregularis
- irregularis Moore, 1882 (Terias), see Eurema hecabe
- irregularis Prout, 1916 (Agathia), see Agathia pisina
- irregularis Ribbe, 1899 (Thysonotis plotinus var.), see Psychonotis caelius hanno
- irregularis Rothschild, 1909 (Idalus), see Araeomolis irregularis
- irregularis Rothschild, 1915 (Sylepta), see Pleuroptya tenuis
- irregularis Rothschild, 1916 (Opharus), see Phaegoptera irregularis
- irregularis Walker, 1856 (Pergesa), see Hippotion irregularis
- irregularis Walker, 1857 (Nonagria), see Leucania irregularis
- irregularis Warren, 1894 (Gelasma), see Jodis irregularis
- irregularis Warren, 1896 (Plocucha), see Anisodes irregularis
- irregulata Prout, 1958 (Chloroclystis), see Chloroclystis testulata
- irregulata Walker, 1861 (Macaria), see Macaria signaria
- irremorata (Dyar, 1923) (Prorella)
- irrenosa Guenée, 1852 (Lepidomys)
- irrepleta Prout, 1931 (Dysphania subrepleta), see Dysphania subrepleta
- irrepleta Prout, 1939 (Xanthorhoe), see Epyaxa subidaria
- irrepta Braun, 1926 (Tinea)
- irresoluta (Dyar, 1919) (Eumestleta)
- irresoluta (Eublemma), see Eumestleta irresoluta
- irresoluta Dyar, 1919 (Eublemma), see Eumestleta irresoluta
- irresoluta Walker, 1857 (Celaena), see Elaphria chalcedonia
- irrespondens Dyar, 1914 (Plynteria)
- irretita Hübner, 1823 (Eusceptis)
- irretita Swinhoe, 1903 (Homodes), see Homodes iomolybda
- irretracta Warren, 1899 (Nadagara)
- irrigata Butler, 1870 (Callidryas), see Phoebis neocypris neocypris
- irrigualis Möschler, 1890 (Phlyctaina)
- irriguata (Hübner, 1813) (Eupithecia)
- irrisor (Cardepia), see Cardepia irrisoria
- irrisoria (Erschoff, 1874) (Cardepia)
- irrisoria Erschoff, 1874 (Mamestra), see Cardepia irrisoria
- irritans (Köhler, 1945) (Feltia)
- irritans (Agrotis), see Feltia irritans
- irritans Köhler, 1945 (Euxoa), see Feltia irritans
- irritaria (Luperina), see Luperina dayensis
- irritaria Bang-Haas, 1912 (Apamea testacea var.), see Luperina dayensis
- irritaria Staudinger, 1892, see Eupithecia limbata
- irroliterana Bradley, 1962 (Acleris literana ab.), see Acleris (Tortrix) literana
- irroralis (Hampson, 1919) (Epichilo)
- irroralis Hampson, 1919 (Culladia), see Epichilo irroralis
- irrorana Hübner, 1799 ([Tortrix]), see Acleris (Tortrix) literana
- irrorana Sheldon, 1923 (Peronea hastiana ab.), see Acleris (Tortrix) hastiana
- irrorata (Butler, 1878) (Olceclostera)
- irrorata Moore, 1884 (Trabala)
- irrorata (Schaus, 1900) (Adeloneivaia)
- irrorata (Grote, 1865) (Xylophanes)
- irrorata (Staudinger, 1870) (Agonopterix)
- irrorata (Packard, 1876) (Digrammia)
- irrorata Hampson, 1902 (Rhynchobapta)
- irrorata Prout, 1915 (Xenostega)
- irrorata (Moore) (Europlema)
- irrorata (Rothschild, 1910) (Chlorocrisia)
- irrorata Rothschild, 1917 (Neidalia)
- irrorata Rothschild, 1909 (Zatrephes)
- irrorata Hampson, 1900 (Pasteosia)
- irrorata (Rothschild, 1912) (Striosia)
- irrorata Moore, 1879 (Daplasa)
- irrorata Moore, 1879 (Mahoba)
- irrorata (Moore, 1859) (Orvasca)
- irrorata Hampson, 1918 (Acidaliodes)
- irrorata Jones, 1915 (Erocha)
- irrorata (Fabricius, 1781) (Anticarsia)
- irrorata Hampson, 1910 (Amolita)
- irrorata (Moore, 1881) (Mythimna)
- irrorata (Moore, 1888) (Mythimna)
- irrorata (Smith, 1888) (Pseudorthodes)
- irrorata (Rothschild, 1915) (Nola)
- irrorata (Trimen, 1873) (Stygionympha)
- irrorata Hampson, 1919 (Ancylolomia)
- irrorata Hampson, 1919 (Eschata)
- irrorata (Hampson, 1919) (Schoenobius)
- irrorata (Arctornis), see Orvasca irrorata
- irrorata (Comphotis), see Comphotis irroratum
- irrorata (Mardara), see Mahoba irrorata
- irrorata (Semiothisa), see Digrammia irrorata
- irrorata Butler, 1878 (Olceclosetera), see Olceclostera irrorata
- irrorata Butler, 1886 (Casbia), see Casbia rectaria
- irrorata Dudgeon, 1905 (Pterognia), see Pterogonia aurigutta
- irrorata Fabricius, 1781 (Noctua), see Anticarsia irrorata
- irrorata Fabricius, 1798, see Setina irrorella
- irrorata Grote, 1878, see Ptichodis pacalis
- irrorata H. Edwards, 1873 (Clemensia), see Clemensia albata umbrata
- irrorata Hampson, 1893 (Zethes), see Hyperlopha cristifera
- irrorata Hampson, 1919 (Topeutis), see Schoenobius irrorata
- irrorata Lucas, 1892 (Porthesia), see Orvasca semifusca
- irrorata Moore (Dirades), see Europlema irrorata
- irrorata Moore, 1859 (Euproctis), see Orvasca irrorata
- irrorata Moore, 1879, see Pheosiopsis irrorata
- irrorata Moore, 1881 (Axylia), see Mythimna irrorata
- irrorata Moore, 1888 (Leucania), see Mythimna irrorata
- irrorata Moore, 1888 (Marcala), see Hypochrosis abstractaria
- irrorata Moore, [1883] (Somena), see Somena similis
- irrorata Packard, 1876 (Phasiane), see Digrammia irrorata
- irrorata Packard, [1865] (Dryopteris), see Oreta rosea
- irrorata Rothschild, 1894, see Xylophanes undata
- irrorata Rothschild, 1910 (Diacrisia), see Chlorocrisia irrorata
- irrorata Rothschild, 1912 (Calamidia), see Striosia irrorata
- irrorata Rothschild, 1915 (Celama), see Nola irrorata
- irrorata Smith, 1888 (Orthodes), see Pseudorthodes irrorata
- irrorata Trimen, 1873 (Erebia), see Stygionympha irrorata
- irrorata Warren, 1898 (Parathemis), see Scioglyptis canescaria
- irrorata Warren, 1913 (Blenina quinaria ab.), see Blenina quinaria
- irrorata Wileman, 1912 (Boralia), see Leucania curvilinea
- irroratalis (Dyar, 1917) (Eoparargyractis)
- irroratana (Walsingham, 1879) (Eucosma)
- irrorataria (Bremer & Grey, 1852) (Ophthalmitis)
- irrorataria Moore, [1868] (Hypochroma), see Pingasa lariaria
- irroratella Ragonot, 1887 (Ephestia), see Cadra furcatella
- irrorativiridis (Bethune-Baker) (Oxoia)
- irroratum (Godman, 1903) (Comphotis)
- irroratum Godman, 1903 (Cricosoma), see Comphotis irroratum
- irroratus H. Druce, 1874 (Gerydus), see Miletus chinensis learchus
- irrorea Esper, 1787 (Noctua), see Setina irrorella
- irrorea Robinson, 1869, see Sparganothis xanthoides
- irrorea [Schiffermüller], 1775 (Noctua), see Setina irrorella irrorella
- irrorella (Linnaeus, 1758) (Setina)
- irrorella (Philea), see Setina irrorella
- irrorella (Yponomeuta), see Yponomeuta irrorellus
- irrorella Dietz, 1905 (Monopis), see Monopis marginistrigella
- irrorella Hübner, 1796 (Tinea), see Yponomeuta irrorellus
- irrorella Linnaeus, 1758 (Phalaena), see Setina irrorella irrorella
- irrorella Linnaeus, 1758 (Phalaena), see Setina irrorella
- irrorella Strand, 1922, see Macaduma rufoumbrata
- irrorella Sulzer, 1776 (Tinea), see Setina aurita
- irrorellus (Hübner, 1796) (Yponomeuta)
- irrubescens Grose-Smith, 1893 (Euthalia)
- irrubescens Hall, 1917 (Chlosyne hyperia var.), see Chlosyne janais marianna
- irrubriella Ely, 1908 (Acrobasis)
- irrufata (Guenée) (Psamatodes)
- irrufatella Ragonot, 1901 (Tirathaba)
- irrupta (Schaus, 1905) (Idalus)
- irrupta Schaus, 1905 (Automolis), see Idalus irrupta
- irruptalis Walker, [1866] (Samea), see Nacoleia rhoeoalis
- irtyschensis Lukhtanov, 1999 (Colias thisoa)
- irtyschica Lukhtanov, 1999 (Melitaea ala)
- irtyshika Korshunov, 1982 (Apatura metis)
- iruma Evans, 1951 (Abantis leucogaster)
- irumu (Stempffer, 1948) (Anthene)
- irumu (Cupidesthes), see Anthene irumu
- irus (Godart, [1824]) (Incisalia)
- irus (Callophrys irus), see Incisalia irus irus
- irus (Callophrys), see Incisalia irus
- irus (Deciduphagus), see Incisalia irus
- irus Godart, [1824] (Polyommatus), see Incisalia irus
- irus Stoll, [1781] (Sphinx), see Euchromia creusa
- irvina (Plötz, 1886) (Ilma)
- irvina Plötz, 1886 (Lychnuchus), see Ilma irvina
- irvingi (Swanepoel, 1948) (Lepidochrysops)
- irvingi Swanepoel, 1948 (Cupido), see Lepidochrysops irvingi
- irvingi van Son, 1955 (Ypthima cataractae f.), see Ypthima cataractae
- irvinii Swinhoe, 1890 (Appias), see Appias olferna
- irwini Collins & Larsen, 1998 (Ornipholidotos)
- Isa Packard, 1864 (Limacodidae)
- isa (Euripus halitherses f.), see Euripus nyctelius
- isa (Euripus halitherses mastor ab.), see Euripus nyctelius mastor
- isa Clarke, 1947, see Exaeretia ciniflonella
- isaacha (Lymanopoda albocincta), see Lymanopoda albocincta issacha
- isabel Agenjo, 1956 (Narraga)
- isabel (Narraga), see Narraga nelvae
- isabel Schaus, 1923 (Paectes), see Paectes arcigera
- isabela Field & Herrera, 1977 (Pierphulia)
- isabelae Orellana, 2000 (Prepona praeneste)
- isabelae Andrade, 1993 (Antirrhea), see Antirrhea undulata
- isabella Schawerda, 1915 (Chesias)
- isabella Turlin, 1995 (Eagris sabadius)
- isabella (Smith, 1797) (Pyrrharctia)
- isabella (Toxopeus, 1948) (Arctornis)
- isabella Collenette, 1947 (Dura)
- isabella Dognin, 1898 (Rhosus)
- isabella (White, 1841) (Tanystola)
- isabella Corbet, 1937 (Celastrina lavendularis)
- isabella (Felder, 1860) (Bindahara phocides)
- isabella (Stoll, [1781]) (Eueides)
- isabella Bleszynski, 1965 (Eschata)
- isabella Dyar, 1918 (Platygraphis)
- isabella Clemens, 1860 (Antispila)
- isabella (Catocala similis), see Catocala similis
- isabella (Diacrisia), see Pyrrharctia isabella
- isabella (Isia), see Pyrrharctia isabella
- isabella Anken, 1994 (Hermeuptychia hermes), see Hermeuptychia hermes
- isabella Corbet, 1937 (Celastrina), see Celastrina lavendularis isabella
- isabella Felder, 1860 (Myrina), see Bindahara phocides isabella
- isabella Fruhstorfer, see Mynes woodfordi isabella
- isabella Guenée, 1852 (Spirama), see Spirama retorta
- isabella H. Edwards, 1880 (Catocala formula var.), see Catocala similis
- isabella Prout, 1917 (Hemithea wuka), see Hemithea wuka
- isabella Smith, 1797 (Phalaena), see Pyrrharctia isabella
- isabella Stoll, [1781] (Papilio), see Eueides isabella
- isabella Tengström, 1869, see Proclossiana eunomia ossiana
- isabella Toxopeus, 1948 (Redoa), see Arctornis isabella
- isabella White, 1841 (Trichetra), see Tanystola isabella
- isabellae (Graells, 1849) (Graellsia)
- isabellae (Harrison, 1914) (Lycia)
- isabellae (Schultze, 1917) (Mimeresia libentina)
- isabellae Dudgeon, 1909 (Teratoneura)
- isabellae Faynel, 2006 (Oenomaus)
- isabellae (Rothschild & Jordan, 1901) (Troides victoriae)
- isabellae Rothschild & Jordan, 1901 (Delias schoenbergi)
- isabellae (Eueides), see Eueides isabella
- isabellae (Ornithoptera victoriae), see Troides victoriae isabellae
- isabellae (Teratoneura isabellae), see Teratoneura isabellae
- isabellae Graells, 1849 (Saturnia), see Graellsia isabellae
- isabellae Harrison, 1914 (Poedilopsis), see Lycia isabellae
- isabellae Rothschild & Jordan, 1901 (Delias schönbergi), see Delias schoenbergi isabellae
- isabellae Rothschild & Jordan, 1901 (Papilio victoriae), see Troides victoriae isabellae
- isabellae Schultze, 1917 (Pseuderesia libentina var.), see Mimeresia libentina isabellae
- isabellae Sharpe, 1890 (Lymnas), see Panaropsis thyatira
- isabellae × pomonaria (m x f) (Lycia)
- isabellaria (Staudinger, 1901) (Hypomecis roboraria)
- isabellella (O. Costa, 1836) (Eteobalea)
- isabellina (Heylaerts, 1892) (Bembina)
- isabellina (Euproctis), see Bembina albinotata
- isabellina (Euproctis), see Bembina isabellina
- isabellina C. & R. Felder, 1863 (Neptis), see Lasippa pata
- isabellina Heylaerts, 1892 (Porthesia), see Bembina isabellina
- isabellina Plötz, 1884 (Nisoniades), see Burca braco braco
- isabellina Schawerda, 1922, see Colias balcanica
- isabellina Walker, 1855 (Aloa), see Creatonotos transiens transiens
- isabellinus (Heliconius numata), see Heliconius numata aurora
- isabellinus Bates, 1862 (Heliconius numata var.), see Heliconius numata aurora
- isadasalis Walker, 1859 (Anemosa)
- isadelpha Turner, 1910 (Euloxia)
- isaea (Gray, 1846) (Issoria lathonia)
- isaea Hübner, 1816 (Migonitis), see Heliconius egeria egeria
- isaeea Gray, 1846 (Argynnis), see Issoria lathonia isaea
- isaeoides Reuss, 1925 (Issoria lathonia)
- isaeoides Reuss, 1925 (Rathora isaeae f.geogr.), see Issoria lathonia isaeoides
- isaeus (Hewitson, 1865) (Tajuria)
- isaeus (Wallace, 1869) (Ariadne)
- isaeus (Iolaus), see Tajuria isaeus
- isaeus Hewitson, 1865 (Iolaus), see Tajuria isaeus
- isaeus Wallace, 1869 (Ergolis), see Ariadne isaeus
- isagoras Fruhstorfer, 1907 (Opsiphanes invirae), see Opsiphanes invirae agasthenes
- isaka Viette, 1954 (Rhena), see Alatanadata gemina
- isaloensis Paulian, 1951 (Strabena), see Strabena isoalensis
- Isamia Moore, [1880] (Danainae), see Euploea
- Isamiopsis Moore, 1888 (Papilioninae), see Papilio
- isana (Lethe), see Lethe insana
- isana Fruhstorfer, 1916 (Nacaduba berenice), see Nacaduba kurava kurava
- isanae Rousseau-Decelle, 1943 (Papilio lysander), see Parides lysander brissonius
- isander (Godman & Salvin, 1888) (Graphium sarpedon)
- isander (Papilio), see Graphium sarpedon isander
- isander Godman & Salvin, 1888 (Papilio), see Graphium sarpedon isander
- isandra (Boisduval, 1836) (Melete lycimnia)
- isandra (Daptonoura), see Melete lycimnia isandra
- isandra (Daptonura), see Melete lycimnia isandra
- isandra (Datponoura), see Melete lycimnia isandra
- isandra (Melete), see Melete lycimnia isandra
- isandra Boisduval, 1836 (Pieris), see Melete lycimnia isandra
- isanthe Zikán, 1940 (Aphrissa statira var.), see Aphrissa wallacei wallacei
- Isanthrene Hübner, [1819] (Ctenuchinae)
- isaolensis (Strabena), see Strabena isoalensis
- isaon (Boisduval, [1875]) (Xylophanes)
- Isapis Doubleday, 1847 (Riodinidae)
- isara (Dognin, 1905) (Adeloneivaia)
- isara Rothschild, 1908 (Troides helena)
- Isares Herrich-Schäffer, [1858] (Lithosiinae), see Macrobrochis
- isaszeghensis Reiss, 1929, see Zygaena punctum punctum
- isatidalis (Duponchel, 1833) (Evergestis)
- isatis Debauche, 1934, see Darapsa myron
- Isatoolna Nye, 1975 (Catocalinae), see Acantholipes
- isaura (Zikán, 1937) (Paulogramma pyracmon)
- isaura (Teracolus), see Colotis antevippe
- isaura Lucas, 1852 (Anthocharis), see Colotis antevippe
- isaura Zikán, 1937 (Catagramma pyracmon), see Paulogramma pyracmon isaura
- Isauria Ragonot, 1887 (Phycitinae)
- isaurica (Staudinger, ?1870) (Aricia)
- isauricoides Graves, 1923 (Polyommatus)
- isauricoides Graves, 1923 (Polyommatus candalus), see Polyommatus isauricoides
- isauricus (Polyommatus), see Aricia isaurica
- isca (Hewitson, 1873) (Pseuderesia)
- isca (Eresiomera isca), see Pseuderesia isca isca
- isca (Eresiomera), see Pseuderesia isca
- isca Hewitson, 1873 (Liptena), see Pseuderesia isca
- Iscadia Walker, 1857 (Collomeninae)
- iscariotes Boisduval, 1870 (Chetone), see Dysschema lycaste
- ischkaschimicus Shchetkin, 1986 (Polyommatus)
- ischkaschimicus (Polyommatus iphigenides ), see Polyommatus ischkaschimicus
- ischkaschimicus Shchetkin, 1986 (Polyommatus iphigenia), see Polyommatus ischkaschimicus
- ischnadelpha (Ectropis), see Ectropis pais
- ischnadelpha Prout, 1932 (Ectropis), see Ectropis pais
- Ischnarctia Bartel, 1903 (Arctiinae)
- Ischnocampa Felder, 1874 (Arctiinae)
- ischnodactyla (Treitschke, 1835) (Pterophorus)
- ischnodactyla Treitschke, 1835 (Alucita), see Pterophorus ischnodactyla
- ischnodes (Turner, 1903) (Calathusa)
- ischnodes Turner, 1903 (Corula), see Calathusa ischnodes
- Ischnognatha Felder, 1874 (Arctiinae)
- ischnogramma (Prout, 1928) (Phlogophora)
- ischnogramma (Euplexia), see Phlogophora ischnogramma
- ischnogramma Prout, 1928 (Euplexia), see Phlogophora ischnogramma
- ischnomorpha Meyrick, 1931 (Homoeosoma), see Ephestia kuehniella
- ischnopa (Turner, 1947) (Homoeosoma)
- ischnopa Turner, 1947 (Euzophera), see Homoeosoma ischnopa
- Ischnophanes Meyrick, 1891 (Coleophoridae)
- ischnophrica Turner, 1941 (Poecilasthena)
- ischnophrica Turner, 1932 (Scotocyma)
- ischnophylla Turner, 1942 (Gymnoscelis)
- ischnoptera Turner, 1922 (Scoparia)
- ischnora Turner, 1919 (Idiodes), see Idiodes tenuicorpis
- ischnora Turner, 1926 (Idiodes), see Idiodes pellophanes
- Ischnoscia Meyrick, 1895 (Meessiinae)
- ischnota Meyrick, 1890 (Dichromodes)
- Ischnurges Lederer, 1863 (Pyraustinae)
- ischune Dyar, 1912 (Stiria)
- Ischyia (Catocalinae), see Ischyja
- Ischyja Hübner, [1823] (Catocalinae)
- iseres Collenette, 1955 (Euproctis)
- iseres Turner, 1922 (Gelasma), see Prasinocyma flavicosta
- isertana (Fabricius, 1794) (Zeiraphera)
- isfacana Wehrli, 1940, see Apocheima cinerarium
- isfahana Hacker, 2004 (Caradrina)
- ishashimicus (Polyommatus), see Polyommatus ischkaschimicus
- ishiana Fruhstorfer, 1899 (Athyma opalina), see Athyma selenophora
- ishidella Matsumura, 1926 (Rhyacia), see Diarsia canescens
- ishigakiana (Matsumura, 1929) (Acytolepis puspa)
- ishigakiana Matsumura, 1929 (Cyaniris), see Acytolepis puspa ishigakiana
- ishigakiana Matsumura, 1929 (Zizera), see Zizeeria karsandra
- ishigakina Fruhstorfer, 1908 (Ypthima baldus?), see Ypthima baldus
- ishigakina Matsumura, 1929 (Cyrestis thyodamas f.), see Cyrestis thyodamas
- ishima Schaus, 1933 (Hyponerita)
- ishima (Schaus, 1941) (Leucanopsis)
- ishima (Fruhstorfer, 1899) (Nymphalis canace)
- ishima Fruhstorfer, 1899 (Vanessa canace), see Nymphalis canace ishima
- ishima Schaus, 1941 (Halysidota), see Leucanopsis ishima
- ishizukai Okano, 1962 (Japonicrambus)
- ishizukai Inoue, 1955 (Thera taigana), see Heterothera taigana sounkeana
- ishka Butler, 1870 (Melinaea), see Melinaea menophilus menophilus
- ishkal Schaus, 1932, see Manduca barnesi
- ishkashima Sheljuzhko, 1929 (Melitaea enarea)
- ishkashima (Shchetkin & Shchetkin, 1991) (Paralasa ida)
- ishkashima (Melitaea didyma), see Melitaea enarea ishkashima
- ishkashima Sheljuzhko, 1929 (Melitaea didyma), see Melitaea enarea ishkashima
- ishkashimicus (Agrodiaetus ishkashimicus), see Polyommatus ischkaschimicus ischkaschimicus
- ishkashimicus (Agrodiaetus), see Polyommatus ischkaschimicus
- ishkovi Viidalep, 1986 (Phthorarcha)
- ishma Butler, 1869, see Ideopsis juventa ishma
- ishmael Evans, 1952 (Polygonus leo), see Polygonus leo leo
- ishmoides Moore, 1883 (Tirumala)
- ?ishmoides (Tirumala melissa), see Tirumala ishmoides
- ishmoides (Danaus), see Tirumala ishmoides
- Isia Walker, 1856 (Ctenuchinae)
- isia (Theope pedias), see Theope pedias
- isia (Theope), see Theope pedias
- isia Godman & Salvin, 1878 (Theope), see Theope pedias
- isias (Boisduval, 1872) (Syssphinx)
- isias (Adelocephala), see Syssphinx isias
- isias Boisduval, 1872 (Adelocephala), see Syssphinx isias
- isias Fruhstorfer, 1911 (Hypocysta), see Hypocysta serapis
- Isidiella Riedl, 1965 (Cosmopteriginae)
- isidis (Zeller, 1867) (Ceutholopha)
- isidora Dyar, 1910 (Cropia)
- isidora (Cramer, [1779]) (Zaretis)
- isidora (Siderone), see Zaretis isidora
- isidora Cramer, [1779] (Papilio), see Zaretis isidora
- isidora Meyrick, 1938 (Pyralis), see Dolichomia amoenalis
- isidoro Kielland, 1985 (Neptis incongrua)
- isidorus Doubleday, 1846 (Papilio)
- isidorus (Heraclides isidorus), see Papilio isidorus isidorus
- isidorus (Heraclides), see Papilio anchisiades
- isidorus (Heraclides), see Papilio isidorus
- isidorus Bates, 1861 (Papilio), see Papilio anchisiades
- isidorus Plötz, 1884 (Thymelicus), see Ancyloxypha arene
- isikensis Reiss, 1968, see Zygaena loti anatolica
- isina (Euripus nyctelius euploeoides f.), see Euripus nyctelius euploeoides
- isina Corbet, 1947 (Idrusia nyctelius euploeoides f.), see Euripus nyctelius euploeoides
- Isine Walker, 1854 (Lithosiinae), see Cyana
- isiro Berger, 1981 (Pentila tachyroides)
- isiro Rydon, 1981 (Cymothoe)
- isis Rothschild & Jordan, 1903 (Hippotion)
- isis Hübner, 1823 (Atyria)
- isis (Boisduval, 1832) (Euchromia)
- isis (Drury, 1773) (Azanus)
- isis Fruhstorfer, 1894 (Hypocysta)
- ?isis (Castalius), see Azanus isis
- isis (Achlyodes), see Ebrietas infanda
- isis (Adelpha), see Adelpha lycorias lycorias
- isis (Hypocysta osyris), see Hypocysta isis
- isis (Nygmia), see Euproctis dewitzi
- isis Bargmann, 1928 (Taygetis andromeda f.), see Taygetis thamyra
- isis Bargmann, 1928, see Taygetis laches isis
- isis Bethune-Baker, 1911 (Euproctis), see Euproctis dewitzi
- isis Boisduval, 1832 (Glaucopis), see Euchromia isis
- isis Drury, 1782 (Papilio), see Adelpha lycorias lycorias
- isis Duncan [& Westwood], 1841 (Saturnia), see Gynanisa maja
- isis Hübner, 1799-1800, see Boloria napaea
- isis Krüger, 1925 (Papilio anchises var.), see Parides anchises nielseni
- isis Sonthonnax, 1899 (Argema), see Actias maenas
- isis Stichel, 1915 (Mesosemia f.), see Mesosemia loruhama candara
- isis Thunberg, 1791, see Coenonympha tullia
- iskander Avinoff & Sweadner, 1951 (Karanasa maureri)
- iskander Avinoff & Sweadner, 1951 (Karanasa decolorata), see Karanasa maureri iskander
- islamella Amsel, 1949 (Eromene), see Euchromius ramburiellus
- islandana (Kearfott, 1907) (Ecdytolopha)
- islandiae Milliére, 1874 (Hadena), see Mniotype sommeri
- islandica (Staudinger, 1857) (Euxoa ochrogaster)
- islandica (Euxoa), see Euxoa ochrogaster islandica
- islandica Staudinger, 1857 (Agrotis), see Euxoa ochrogaster islandica
- islandicus (Staudinger, 1857) (Stenoptilia)
- islandicus Staudinger, 1857 (Pterophorus), see Stenoptilia islandicus
- Isma Distant, 1886 (Hesperiinae)
- ismael (Oberthür, 1916) (Perrotia)
- ismael Oberthür, 1916 (Trapezites), see Perrotia ismael
- ismaeli Busby & Hall, 2005 (Penaincisalia)
- ismaeli Hayashi, Schröder & Treadaway, 1983 (Pratapa tyotaroi)
- ismaeli Attal & Crosson du Cormier, 1996 (Perisama humboldtii)
- ismaeli (Abloxurina), see Penaincisalia ismaeli
- ismaeli (Perisama comnena), see Perisama humboldtii ismaeli
- ismaeli (Pratapa), see Pratapa tyotaroi ismaeli
- ismaeli Hayashi, Schröder & Treadaway, 1983 (Pratapa), see Pratapa tyotaroi ismaeli
- ismare (Cramer, [1780]) (Danaus)
- ismare Cramer, [1780] (Papilio), see Danaus ismare
- ismareola Butler, 1866, see Danaus ismare ismareola
- ismarus Fruhstorfer, 1912 (Sithon nedymond)
- ismarus (Cramer, [1777]) (Thereus)
- ismarus (Sithon nedymono), see Sithon nedymond ismarus
- ismarus (Thecla), see Thereus ismarus
- ismarus Cramer, [1777] (Papilio), see Thereus ismarus
- ismarus Fruhstorfer, 1912 (Sithon), see Sithon nedymond ismarus
- Ismena (Coeliadinae), see Bibasis
- ismene Möschler, 1878 (Trichura latifascia)
- ismene (Doubleday, [1848]) (Lebadea)
- ismene (Cramer, [1775]) (Melanitis leda)
- Ismene Nickerl, 1846 (Parnassiinae), see Hypermnestra
- Ismene Stephens, 1834 (Argyresthiinae), see Argyresthia
- Ismene Swainson, [1820] (Coeliadinae), see Bibasis
- ismene Anderson & Spry, 1894 (Toxidia), see Toxidia parvulus
- ismene Cramer, [1775] (Papilio), see Melanitis leda ismene
- ismene Doubleday, [1848] (Limenitis), see Lebadea ismene
- ismene Meyrick, 1885 (Telesto), see Toxidia parvulus
- ismene Zikán, 1940 (Phoebis trite chryseida f.), see Rhabdodryas trite banksi
- ismenias (Klug, 1834) (Iolaus)
- ismenias (Iolaphilus), see Iolaus ismenias
- ismenias Klug, 1834 (Lycaena), see Iolaus ismenias
- ismenias Meigen, 1829, see Plebejus argyrognomon
- ismenius Latreille, [1817] (Heliconius)
- ismenoides Mabille, 1878 (Corone), see Cephrenes augiades sperthias
- ismeria (Charidryas), see Chlosyne gorgone gorgone
- ismeria Boisduval & Le Conte, [1835] (Melitaea), see Chlosyne gorgone gorgone
- isna Corbet, 1941 (Horaga amethystus)
- isna (Horaga amethysta), see Horaga amethystus isna
- isni Barnes & Benjamin, 1926, see Colias pelidne pelidne
- Isnisca Walker, [1863] (Ennominae), see Achrosis
- isoalensis Paulian, 1951 (Strabena)
- isobasella Staudinger, 1871 (Micropterix)
- isobelae Pyrcz, 2000 (Pronophila)
- isobeon (Butler & Druce, 1872) (Calycopis)
- isobeon (Thecla), see Calycopis isobeon
- isobeon Butler & Druce, 1872 (Tmolus), see Calycopis isobeon
- isocampta Hampson, 1910 (Ozarba)
- Isocentris Meyrick, 1887 (Pyraustinae)
- Isoceras Turati, 1924 (Cossinae)
- Isochaetes Dyar, 1899 (Limacodidae)
- isocharis (Rothschild & Jordan, 1906) (Eurytides orabilis)
- isocharis Rothschild & Jordan, 1907 (Delias)
- isocharis Rothschild & Jordan, 1906 (Papilio orabilis), see Eurytides orabilis isocharis
- Isochlora Staudinger, 1882 (Noctuinae)
- isochroma (Hampson, 1903) (Xestia)
- Isochroma Felder, 1874 (Megalopygidae), see Trosia
- isochroma Hampson, 1903 (Episilia), see Xestia isochroma
- Isochromodes Warren, 1894 (Ennominae)
- isocomma Forbes, 1948 (Melinaea)
- isocornutana (Razowski, 1964) (Cochylimorpha)
- isocornutana (Stenodes), see Cochylimorpha isocornutana
- isocornutana Razowski, 1964 (Stenodes), see Cochylimorpha isocornutana
- Isocorypha Dietz, 1905 (Meessiinae)
- isocrates (Fabricius, 1793) (Deudorix)
- isocrates (Spahtilepia), see Autochton zarex
- isocrates (Virachola), see Deudorix isocrates
- isocrates Fabricius, 1793 (Hesperia), see Deudorix isocrates
- ?isocratia Hübner, [1819] (Junonia orithya f.), see Junonia orithya
- Isoctenia Felder, 1874 (Lymantriidae), see Sarsina
- isocyma (Meyrick, 1892) (Laophila)
- isocyma Meyrick, 1892 (Lomographa), see Laophila isocyma
- isodactylus (Zeller, 1852) (Platyptilia)
- isodactylus Zeller, 1852 (Pterophorus), see Platyptilia isodactylus
- Isodema C. & R. Felder, 1863 (Satyrinae), see Penthema
- isodesma (Lower, 1903) (Scopula)
- isodesma (Meyrick, 1886) (Aphomia)
- isodesma Lower, 1903 (Leptomeris), see Scopula isodesma
- isodesma Meyrick, 1886 (Melissoblaptes), see Aphomia isodesma
- isodeta Turner, 1904 (Talis), see Microchilo gelastis
- isodoxa Prout, see Milionia isodoxa
- isodrita Boisduval, 1836 (Leptalis), see Enantia lina psamanthe
- isogama Turner, 1931 (Pterolocera)
- isogenis Jordan, 1913 (Aegocera obliqua), see Aegoceropsis obliqua
- Isognathus C. & R. Felder, 1862 (Macroglossinae)
- Isogona Guenée, 1852 (Calpinae)
- isogona Meyrick, 1889 (Hypena)
- Isogramma Rothschild & Jordan, 1903 (Sphinginae), see Ceratomia
- isogyna Romieux, 1935 (Ilemodes)
- isogyna Prout, 1916 (Agathia laetata), see Agathia laetata
- isokae (Hancock, 1984) (Papilio mackinnoni)
- isokae Hancock, 1984 (Princeps mackinnoni), see Papilio mackinnoni isokae
- isokani (Grose-Smith, 1889) (Appias phaola)
- isokani Grose-Smith, 1889 (Belenois), see Appias phaola isokani
- isola (Reakirt, [1867]) (Echinargus)
- isola (Hemiargus), see Echinargus isola
- isola (Lycaena), see Echinargus isola
- isola Reakirt, [1867] (Lycaena), see Echinargus isola
- Isolasia Warren, 1912 (Xyleninae)
- isolata Todd, 1960 (Acontia)
- isolata (Holloway, 1976) (Xestia)
- isolata Hacker, 1999 (Auchmis)
- isolata Ronkay & Uherkovich, 1983 (Polymixis rufocincta)
- isolata van Son, 1955 (Dira swanepoeli)
- isolata Holloway, 1976 (Amathes), see Xestia isolata
- isolata Warren, 1902 (Dysphania), see Dysphania sagana
- isolatella (Notolophus), see Orgyia dubia
- isolatella Strand in Seitz, 1910 (Orgyia dubia f.), see Orgyia dubia
- isolatissima Powell, 1964 (Argyrotaenia)
- isolatissima (Argyrotaenia citrana), see Argyrotaenia isolatissima
- isolatrix (Erynnis), see Pyrgus communis communis
- isolda Hall, 1919 (Dynamine athemon)
- isolda Thieme, 1907 (Oxeoschistus puerta)
- isolda Llorente, 1984 (Dismorphia amphione)
- isolda Niepelt, 1908 (Heliconius melpomene aglaope f.), see Heliconius melpomene malleti
- isolda Thieme, 1907 (Oxeoschistus), see Oxeoschistus puerta isolda
- isoldae Köhler, 1924 (Pseudendromis)
- isoldalis (Schaus, 1940) (Micromastra)
- isoldalis (Micromasta), see Micromastra isoldalis
- isoldalis Schaus, 1940 (Micromasta), see Micromastra isoldalis
- isoloma (Püngeler, 1904) (Hadula)
- isoloma (Discestra), see Hadula isoloma
- isoloma Püngeler, 1904 (Mamestra), see Hadula isoloma
- isomacha (Meyrick, 1925) (Miscera)
- isomacha Meyrick, 1925 (Sagalassa), see Miscera isomacha
- isombra (Meyrick, 1892) (Psilalcis)
- isombra (Myrioblephara), see Psilalcis isombra
- isombra Meyrick, 1892 (Ectropis), see Psilalcis isombra
- isomera (Hampson, 1910) (Pseudeustrotia)
- isomera Hampson, 1910 (Eustrotia), see Pseudeustrotia isomera
- isomeris Meyrick, 1890 (Taxeotis)
- isomoera (Falkovitsh) (Coleophora)
- isomoera Falkovitsh (Ionescumia), see Coleophora isomoera
- isomorpha Meyrick, 1888 (Acidalia), see Idaea inversata
- isona Fruhstorfer, 1922 (Taraka hamada)
- isonira Dyar, 1913 (Hylephila)
- Isoparce Rothschild & Jordan, 1903 (Sphinginae)
- isophanes Meyrick, 1890 (Taxeotis), see Taxeotis reserata
- isophragma (Meyrick, 1886) (Thallarcha)
- isophragma Meyrick, 1886 (Comarchis), see Thallarcha isophragma
- Isophrictis Meyrick, 1917 (Gelechiinae)
- isophthalma (Herrich-Schäffer, 1862) (Brephidium exilis)
- ?isophthalma Herrich-Schäffer, see Chilades putli
- isophthalma (Brephidium), see Brephidium exilis isophthalma
- isophthalma Herrich-Schäffer, 1862 (Lycaena), see Brephidium exilis isophthalma
- Isoples Hübner, [1819] (Macroglossinae), see Xylophanes
- isopleura Hampson, 1902 (Agrotis)
- isopleuroides Berio, 1966 (Amazonides)
- isopleuroides (Stilbotis), see Amazonides isopleuroides
- Isopolia Warren in Seitz, 1913 (Cuculliinae)
- Isopteryx Guenée in Boisduval & Guenée, 1854 (Pyraustinae), see Samea
- isopyrrha Meyrick, 1921 (Zelleria)
- isorropha Prout, 1932 (Dasyboarmia)
- Isorropus Butler, 1880 (Lithosiinae)
- Isosauris Warren, 1894 (Larentiinae)
- isoscelata (Prout, 1926) (Phlogophora)
- isoscelata (Euplexia), see Phlogophora isoscelata
- isoscelata Prout, 1926 (Trachea), see Phlogophora isoscelata
- isosceles Warren, 1903 (Trigonodes), see Chalciope alcyona
- isosoma (Prout, 1920) (Pseudophaloe)
- isosoma Prout, 1920 (Phaloe), see Pseudophaloe isosoma
- isospila Dufay, 1972 (Ctenoplusia)
- isospora Meyrick, 1912 (Eucosma), see Eucosma landana
- Isosticta (Ennominae), see Abraxas
- Isostictia Wehrli, 1934 (Ennominae), see Abraxas
- Isostola Felder, 1874 (Pericopinae)
- Isostyla Prout, 1918 (Dioptinae)
- isota (Swinhoe, 1893) (Scobura)
- isota Swinhoe, 1893 (Isma), see Scobura isota
- Isoteinon C. & R. Felder, 1862 (Hesperiinae)
- Isotenes Meyrick, 1938 (Tortricinae)
- isotima (Püngeler, 1914) (Dasypolia)
- isotima Püngeler, 1914 (Cteipolia), see Dasypolia isotima
- Isotrias Meyrick, 1895 (Chlidanotinae)
- isozyga Collenette, 1960 (Dasychira)
- ispira de Freina, 1999 (Lemonia pia)
- israeli Torre, 1973 (Calisto), see Calisto sibylla smintheus
- issa (Zhdanko, 1995) (Albulina)
- ?issa Fruhstorfer, 1911 (Lethe gulnihal peguana f.), see Lethe gulnihal peguana
- Issa Walker, 1867 (Sterrhinae), see Semaeopus
- issa (Pamiria), see Albulina issa
- issa Zhdanko, 1995 (Pamiria), see Albulina issa
- issabella (Antispila), see Antispila isabella
- issacha Butler, 1870 (Lymanopoda albocincta)
- issacha Butler, 1870 (Lymanopoda), see Lymanopoda albocincta issacha
- issaea (Issoria lathonia), see Issoria lathonia isaea
- issalisi Le Moult & Réal, 1963 (Morpho telemachus), see Morpho telemachus lilianae
- isse (Hübner, [1831]) (Chetone)
- isse (Schaus, 1914) (Elaphria)
- isse (Cramer, [1775]) (Delias)
- isse Cramer, [1775] (Papilio), see Delias isse
- isse Hübner, [1831] (Episteme), see Chetone isse
- isse Schaus, 1914 (Monodes), see Elaphria isse
- issekutzi (Balogh, 1956) (Aricia)
- issekutzi (Plebejus montentis), see Aricia issekutzi
- issekutzi Balogh, 1956 (Aricia allous), see Aricia issekutzi
- Isselia C. & R. Felder, 1862 (Polyommatinae), see Danis
- isshia Butler, 1869 (Mesosemia)
- isshiki Matsumura, 1925 (Crambus)
- isshikii Matsumura, 1925 (Anthocharis cardamines)
- isshikii (Anthocharis isshikii), see Anthocharis cardamines isshikii
- isshikii (Tebenna), see Tebenna micalis
- isshikii Matsumura, 1925 (Pamphila silvius), see Carterocephalus silvicola
- isshikii Matsumura, 1925 (Rhyacia), see Euxoa sibirica
- isshikii Matsumura, 1927 (Papilio maackii jezoensis ab.), see Papilio maackii jezoensis
- isshikii Matsumura, 1928 (Argynnis aglaia myonia ab.), see Speyeria aglaja
- isshikii Matsumura, 1929 (Limenitis dudu ab.), see Parasarpa dudu
- isshikii Matsumura, 1931 (Choreutis), see Tebenna micalis
- isshikii Matsumura, 1931 (Tortrix aurichalcana ab.), see Croesia aurichalcana
- issia Stempffer, 1969 (Mimeresia)
- issia Stempffer, 1969 (Ornipholidotos)
- ?issia Stempffer, 1969, see Pseuderesia issia
- issikii Fukushima, 1944 (Enispa)
- issikii (Kumata, 1963) (Phyllonorycter)
- issikii Oku, 1957 (Acleris)
- issikii (Choreutis), see Tebenna micalis
- issikii (Tebenna), see Tebenna micalis
- ?issla Plötz, 1886 (Hesperia), see Kobrona kobros
- issoria (Hübner, [1819]) (Acraea)
- Issoria Hübner, [1819] (Heliconiinae)
- issoria (Hewitson, 1869) (Euselasia)
- issoria (Pareba), see Acraea issoria
- issoria Hewitson, 1869 (Eurygona), see Euselasia issoria
- issoria Hübner, [1819] (Telchinia), see Acraea issoria
- issyca Püngeler, 1900 (Naenia typica var.), see Naenia typica
- issyka Staudinger, 1877 (Erebia meta)
- ?issyka (Palearctia erschoffii), see Palearctia erschoffii erschoffii
- issyka Staudinger, 1887 ( erschoffii), see Palearctia erschoffii erschoffii
- issyka Staudinger, 1887 (Arctia erschoffii var.), see Palearctia erschoffii erschoffii
- issykkuli Zhdanko, 1990 (Athamanthia)
- issykkuli Samodurow, 1996 (Hyponephele)
- issykkuli Lukhtanov, 1999 (Paralasa kusnezovi)
- issykula Staudinger, 1889 (Agrotis), see Dichagyris multicuspis
- istanella Nielsen & Traugott-Olsen, 1987 (Elachista)
- istapa (Reakirt, [1867]) (Strymon)
- istapa (Strymon columella), see Strymon istapa
- istapa Reakirt, [1867] (Thecla), see Strymon istapa
- istar (Rothschild & Jordan, 1903) (Sphinx)
- istar Rothschild & Jordan, 1903 (Hyloicus), see Sphinx istar
- Istarba Walker, [1866] (Hypeninae), see Sandava
- istaris (Plötz, 1880) (Bicyclus)
- istaris Plötz, 1880 (Mycalesis), see Bicyclus istaris
- Istarva (Hypeninae), see Sandava
- ister (Hewitson, 1865) (Tajuria)
- ister Hewitson, 1865 (Iolaus), see Tajuria ister
- isthmia Bates, 1863 (Mechanitis polymnia)
- isthmia Bates, 1864 (Brassolis)
- isthmia (Brassolis sophorae), see Brassolis isthmia
- isthmia (Mechanitis), see Mechanitis polymnia isthmia
- isthmia (Mydromera), see Mydromera notochloris
- isthmia Bates, 1863 (Mechanitis), see Mechanitis polymnia isthmia
- isthmia Felder, 1874 (Euagra), see Mydromera notochloris
- isthmica (Godman & Salvin, 1878) (Periplacis glaucoma)
- isthmica (Mechanitis), see Mechanitis polymnia isthmia
- isthmica (Tharops), see Periplacis glaucoma isthmica
- isthmica Godman & Salvin, 1878 (Tharops), see Periplacis glaucoma isthmica
- isthmicus (Machanitis), see Mechanitis polymnia isthmia
- istrella (Mann, 1866) (Pseudotelphusa)
- istria Evans, 1955 (Vinius tryhana)
- istria Druce, 1899 (Zatrephes), see Zatrephes crocos
- istriaca Bytinski-Salz, 1939 (Exaereta ulmi var.), see Dicranura ulmi
- istrianella (Heydenreich, 1851) (Nemophora)
- istroidea de Nicéville, 1887 (Tajuria yajna)
- istroidea de Nicéville, 1887 (Tajuria), see Tajuria yajna istroidea
- istsariensis Stoneham, 1963 (Charilina amabilis), see Crameria amabilis
- Isturgia Hübner, [1823] (Ennominae)
- Isturgia (Ennominae), see Semiothisa
- Isturgia Hübner, 1823 (Ennominae), see Epelis
- isuka Stoneham, 1935 (Euryphura)
- isurugiae Okano, 1954 (Artopoetes pryeri)
- isus (Oberthür, 1879) (Mimoides xeniades)
- isus (Eurytides harmodius), see Mimoides xeniades isus
- isus (Papilio harmodius), see Mimoides xeniades isus
- isus Godman in Godman & Salvin, [1900] (Megistias), see Cymaenes odilia trebius
- isus Godman, 1907 (Ebrietas), see Ebrietas infanda
- isus Oberthür, 1879 (Papilio xeniades var.), see Mimoides xeniades isus
- iswara White, 1842 (Papilio)
- iswara (Menelaides), see Papilio iswara
- iswaroides Fruhstorfer, 1898 (Papilio)
- iswaroides Fruhstorfer, 1898 (Papilio helenus), see Papilio iswaroides
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