Satyrium sylvinus

The sylvan hairstreak (Satyrium sylvinus) is a butterfly of the family Lycaenidae. It is found in western North America,^[1] from British Columbia south-east to Wyoming, Colorado and New Mexico and south through California to Baja California Norte, Mexico.

Sylvan hairstreak
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Lycaenidae
Genus:	Satyrium
Species:	S. sylvinus
Binomial name
Satyrium sylvinus (Boisduval, 1852)[1]
Synonyms
Thecla sylvinus Boisduval, 1852 Satyrium sylvinum Thecla dryope Edwards, 1870 Thecla putnami H. Edwards, 1877 Thecla putnami Scudder, 1876 Thecla itys Edwards, 1882 Strymon sylvinus desertorum Grinnell, 1917

The wingspan is 25–30 mm.

The larvae feed on the leaves of Salix species.^[2] The species overwinters as an egg.

Subspecies

Listed alphabetically.^[1]

• S. s. desertorum (Grinnell, 1917) (California)
• S. s. dryope (Edwards, 1870) (California)
• S. s. itys (Edwards, 1882) (Arizona)
• S. s. nootka Fisher, 1998 (British Columbia)
• S. s. megapallidum Austin, 1998 (Nevada)
• S. s. putnami (H. Edwards, 1877) (Utah)
• S. s. sylvinus (California)