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Genus Sicya

Moth - Sicya morsicaria - male Sicya macularia inchworm - Sicya Sicya morsicaria - female Larva Day 16 - Sicya morsicaria Sharp-lined Yellow - Hodges#6912 - Sicya macularia - female Sicya morsicaria - male Sicya macularia? - Sicya - male
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Ourapterygini
Genus Sicya
Synonyms and other taxonomic changes
Sicya Guenée, 1857
Numbers
6 species in North America (nearctica.com)
2 species in Canada (CBIF)
Range
all of Canada, including the arctic, northeastern US, and western US through Arizona and California to Mexico and at least as far south as Costa Rica (absent from Texas, Florida, [and the Gulf states?])
Remarks
Some of the species IDs may not be reliable from just a photo, since a few of them look nearly identical and each may be slightly variable. (Bob Biagi)
(for example): A species level match could not be made, the specimen is likely to be one of the following: Sicya crocearia matches at 100%, Sicya macularia at 99.9%
Internet References
pinned adult images of a male and two female S. macularia (James Adams, Dalton State College, Georgia)
live larva image of S. crocearia and other info (Caterpillars of Pacific Northwest Forests, USGS)