species 104 observations

Western Sooty Hairstreak

Satyrium fuliginosa

Field notes

Satyrium fuliginosum, the sooty hairstreak, is a butterfly of the family Lycaenidae. It is found in western North America from British Columbia to central California, east to Wyoming and northern Colorado.

Adults are on wing from July to August. Adults feed on flower nectar.

The larvae feed on Lupinus.

Supported by All

54 native plants
support it in the US

Caterpillar hosts Plants its caterpillars eat Longspur Lupine, Sicklekeel Lupine, Saffron-flowered Lupine, Lake Tahoe Lupine 49
Nectar plants Plants whose flowers it visits Mountain Coyote Mint, Parsnipflower Buckwheat, Antelope Bitterbrush, Spineless Horsebrush 5

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided