Colias behrii, the Behr's sulphur or Sierra green sulfur, is a butterfly in the family Pieridae. It is endemic to California's Sierra Nevada from Tuolumne County south to Tulare County.[2]
The wingspan is 35–42 mm (1.4–1.7 in). Adults are on wing from July to August. They feed on flower nectar.[2][3]
The larvae feed on Vaccinium species and Gentiana newberryi.[2]
References
- ^ Colias, Site of Markku Savela
- ^ a b c Butterflies and Moths of North America
- ^ "Colias behrii". explorer.natureserve.org.