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Species Callophrys irus - Frosted Elfin - Hodges#4325

Frosted Elfin - Callophrys irus - female Frosted or Henry's Elfin? - Callophrys irus Frosted Elfin - Callophrys irus Elfin (frosted?) on Lupinus diffusus - Callophrys irus Frosted Elfin - Callophrys irus Trio of Girdling Frosted Elfin Caterpillars - Callophrys irus Cruisin' - Callophrys irus Callophrys irus
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 Theclinae (Hairstreaks)
Tribe Eumaeini
Genus Callophrys
Species irus (Frosted Elfin - Hodges#4325)
Hodges Number
Explanation of Names
Callophrys irus (Godart, [1824])
Wingspan 2.5-3.2 cm
e US, local - Map (MPG)
Open woods, edges, scrublands near hostplant
mostly Apr-May, one flight - MPG
Adults take nectar.
Life Cycle
Larvae feed on certain Fabaceae, esp. Lupines (Lupinus) and Baptisia.
Three subspecies, arsace in southeast, irus in northeast, and hadros a dark form within AR,LA,OK,TX.
Print References
Brock and Kaufman, pp. 104-105 (1)
Glassberg, p. 79 plate 20 (2)
Allen, p. 93, plates 9, 34, 45 (3)
Scott, species #331, p. 370 (4)
Internet References
Works Cited
1.Butterflies of North America (Kaufman Focus Guides)
Jim P. Brock, Kenn Kaufman. 2003. Houghton Mifflin Co.
2.Butterflies Through Binoculars: The East
Jeffrey Glassberg. 1999. Oxford University Press.
3.The Butterflies of West Virginia and Their Caterpillars
Thomas J. Allen. 1998. University of Pittsburgh Press.
4.The Butterflies of North America: A Natural History and Field Guide
James A. Scott. 1992. Stanford University Press.