Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Genus Eucosma

Unidentified Moth ??? - Eucosma And Another Eucosma! - Eucosma Tortricidae: Eucosma bilineata - Eucosma bilineana Tortricidae: Eucosma bilineata - Eucosma bilineana Tortricidae: Eucosma seamansi? - Eucosma seamansi Shaded Phaneta - Eucosma umbrastriana Tortricidae: Eucosma matutina - Eucosma matutina Eucosma similiana
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
No Taxon (Moths)
Superfamily Tortricoidea
Family Tortricidae (Tortricid Moths)
Subfamily Olethreutinae
Tribe Eucosmini
Genus Eucosma
Synonyms and other taxonomic changes
Eucosma Hübner, 1823
There are more than 168 named species of the genus Eucosma in America north of Mexico. (1)
small moths with forewings of various colors (mostly light or dark brown, orange, yellowish, or whitish) and a great variety of patterns - large white spots, stripes, wavy bands, or speckling and multiple lines - and sometimes uniformly plain!
species from the southwestern states tend to be more brightly colored/boldly patterned
most of United States and southern Canada; genus also occurs in Old World
Print References
Wright, D.J. 2011. Review of the Eucosma pulveratana (Walsingham) species group, with descriptions of eight new species (Tortricidae). Journal of the Lepidopterists’ Society 65(2): 101–118 (PDF) (2)
Internet References
pinned adult images of all (?) of the 148 species in North America [a very large page & long download, but if you're looking for a Eucosma species, you'll probably find it here] (Todd Gilligan,