Sierra Sulphur
Common NameSierra Sulphur
Scientific NameColias behrii
FamilyPieridae
SubfamilyColiadinae
Wingspan (mm)40
Primary Colorsgreenish-yellow, black, reddish-pink
HabitatAlpine meadows, high elevations
Geographic RangeSierra Nevada mountains, California, USA
Host PlantsVaccinium, Kalmia microphylla
Flight PeriodJuly to August
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on alpine shrubs; overwinters as a larva. Typically has one brood per year.
Identification TipsDistinguished by its unique greenish-yellow color, heavy black dusting, and reddish wing fringe, especially in its high-altitude Sierra Nevada habitat.
Description
A small, greenish-yellow butterfly heavily dusted with black scales, giving it a mottled appearance, with a distinctive reddish-pink fringe on its wings.
