Behr's Hairstreak
Common NameBehr's Hairstreak
Scientific NameSatyrium behrii
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)28
Wing Patternspotted
Primary Colorsbrown, gray, black, white
HabitatSagebrush scrub, dry hillsides, open woodlands
Geographic RangeWestern North America (from British Columbia to California and east to Colorado)
Host PlantsPurshia tridentata, Ceanothus, Cercocarpus
Flight PeriodJune to August
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesOverwinters as an egg; larvae feed on the leaves and buds of host plants, typically bitterbrush, before pupating.
Identification TipsKey features include the distinctive row of black, white-ringed spots on the grayish-brown underside and its association with bitterbrush (Purshia) in arid western habitats.
Description
A small butterfly with a grayish-brown underside, marked with a distinct row of prominent black spots ringed in white on both forewings and hindwings.
