[maps] Warning! The maps are automatically generated from the textual information, and the process does not always produce acceptable result; See about maps for more info.
Some related literature:
[NACL]; Hodges, 1983
Check List of the Lepidoptera of America North of Mexico
Check List Lep. Am. N of Mexico
Descriptions of new genera and species of Geometrina of North America
Can. Ent. 30
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Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.