Callophrys affinis

Callophrys affinis, the western green hairstreak or immaculate green hairstreak, is a butterfly of the family Lycaenidae. It is found in western Canada and the western United States.

Western green hairstreak
C. a. apama
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Lycaenidae
Genus:	Callophrys
Species:	C. augustinus
Binomial name
Callophrys augustinus (W.H. Edwards, 1862)[1]
Synonyms
Thecla affinis Edwards, 1862 Thecla apama Edwards, 1882 Callophrys apama r. homoperplexa Barnes & Benjamin, 1923

The wingspan is 20 to 28 mm.^[1] Adults are on the wing from early March to mid-June in one generation.^[1]

The larvae feed on Eriogonum umbellatum.^[2]

Subspecies

Listed alphabetically:^[2]

• C. a. affinis
• C. a. albipalpis Gorelick, 2005 (New Mexico)
• C. a. apama Edwards, 1882 – Arizona canyon green hairstreak (Arizona)
• C. a. homoperplexa Barnes & Benjamin, 1923 (Colorado)
• C. a. washingtonia Clench, 1944 (Washington)