Mountain Greenstreak
Common NameMountain Greenstreak
Scientific NameCallophrys sheridanii
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)27
Wing Patternsolid
Primary Colorsgreen, brown
HabitatRocky slopes, open woodlands, sagebrush steppe, mountain foothills
Geographic RangeWestern North America (British Columbia to California, east to Rocky Mountains)
Host PlantsEriogonum umbellatum, Purshia tridentata
Flight PeriodLate April to early July
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plant buds or leaves. Larvae feed on flowers and developing seeds, then pupate in leaf litter or soil, overwintering as a pupa.
Identification TipsLook for the distinctive bright green underside of the wings, contrasting reddish-brown hindwing margins, and a small tail on the hindwings. The upperside is uniformly dark brown.
Description
A small butterfly with brilliant green undersides, reddish-brown wing margins, and a small tail on each hindwing. The upperside is typically dark brown.
