Sierra Blue
Common NameSierra Blue
Scientific NameEuphilotes battoides glaucon
FamilyLycaenidae
SubfamilyPolyommatinae
Wingspan (mm)22
Wing Patternspotted
Primary Colorsgrey, brown, black, white
HabitatMontane meadows, open pine forests, rocky slopes, and chaparral
Geographic RangeSierra Nevada mountains of California, USA
Host PlantsEriogonum umbellatum, Eriogonum nudum
Flight PeriodJune to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on the flower heads of host buckwheat plants. Larvae feed on the flowers and developing seeds, often attended by ants. Pupation occurs near the host plant.
Identification TipsLook for its small size, the distinctive pattern of black spots (some white-ringed) and white patches on the greyish-brown underside, and its association with *Eriogonum* species in montane habitats. Males exhibit a vibrant blue upperside.
Description
A small butterfly with a greyish-brown underside, marked with a series of distinct black spots, some ringed with white, and white patches on the hindwing. Males typically have iridescent blue uppersides.
