Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Drasteria perplexa - Perplexed Arches - Hodges#8635

Canyonlands moth - Drasteria perplexa Drasteria perplexa Drasteria? - Drasteria perplexa
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Erebidae
Subfamily Erebinae
Tribe Melipotini
Genus Drasteria
Species perplexa (Perplexed Arches - Hodges#8635)
Hodges Number
Synonyms and other taxonomic changes
Drasteria perplexa (Hy. Edwards, 1884)
Syneda perplexa H. Edwards, 1884
Phylogenetic sequence # 930909 (1)
wingspan 29-33 mm, based on two photos of Internet specimens
Adult: basal half of forewing uniformly grayish-brown with indistinct AM line; terminal area light brownish-gray; PM patch pale, surrounded by black shading; hindwing orange or orangish-yellow with black margin and PM band; black discal crescent reduced and usually not connected to PM band
California to Arizona and Colorado, north to Alberta and Saskatchewan
dry short-grass prairie and desert
adults fly in May and June
See Also
the uniformly brownish basal half of the forewing, and orangish hindwing separates perplexa from other Drasteria species except ochracea, which lacks a contrasting terminal area and pale PM patch (compare images of both species at CBIF)
Internet References
pinned adult image plus common name reference, habitat, flight season, description, distribution (G. Anweiler, U. of Alberta)
US distribution map (Butterflies and Moths of North America)
distribution in Canada list of provinces (CBIF)