species 1,500 observations
Sylvan Hairstreak
Satyrium sylvinus
Field notes
The sylvan hairstreak (Satyrium sylvinus) is a butterfly of the family Lycaenidae. It is found in western North America, from British Columbia south-east to Wyoming, Colorado and New Mexico and south through California to Baja California Norte, Mexico.
The wingspan is 25–30 mm.
The larvae feed on the leaves of Salix species. The species overwinters as an egg.
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177
native plants
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided