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Genus Cupido - Tailed Blues

Eastern Tailed-Blue - Cupido comyntas Western Tailed-blue Larva - Cupido amyntula Eastern Tailed Blue (Cupido comyntas) - Cupido comyntas Gossamer Butterfly - How can they fly with such torn wings? - Cupido comyntas Butterfly - Cupido amyntula Eastern Tailed-Blue - Cupido comyntas Eastern Tailed -Blue - Cupido comyntas Eastern Tailed-Blue - Cupido comyntas - male
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Lycaenidae (Blues, Coppers, Hairstreaks, Harvesters)
Subfamily Polyommatinae (Blues)
Genus Cupido (Tailed Blues)
Synonyms and other taxonomic changes
includes Everes, treated as a subgenus of Cupido by Opler & Warren, All-Leps, and others (see discussion in Taxonomy Forum and References below)
2 species in North America listed at All-Leps
16 additional species in the Old World listed under Cupido and Everes at FUNET
most of United States and southern Canada, with the Western Tailed Blue (C. amyntula) extending in the northwest to Yukon and Alaska
Print References
Gorbunov, P.Y. 2001. The Butterflies of Russia: Classification, Genitalia, Keys for Identification (Lepidoptera: Hesperioidea and Papilionoidea). Russian Academy of Sciences, Institute of Plant and Animal Ecology, "Thesis", Ekaterinburg, Russia. 320 pp.
Karsholt, O. and J. Razowski. 1996. The Lepidoptera of Europe. A Distributional Checklist. Apollo Books, Stenstrup, Germany. 380 pp.
Internet References
species accounts and US distribution maps of amyntula and comyntas [listed under Everes] (
species accounts and Canadian distribution maps of comyntas and amyntula [listed under Everes] (Butterflies of Canada, CBIF)
taxonomy; PDF doc (Paul Opler [Smithsonian Institution, Washington DC] and Andrew Warren [Oregon State U.], courtesy U. of Alberta)