Status:  rare resident?

Flights:  1, Mar-Jun?

Distribution/known sites in Monterey County:   historical records only; no known sites or recent records

Habitats:  coastal dunes; open meadows, gentle slopes, sagebrush flats with stands of lupine

Host plants: lupines and milkvetch (Astragalus)

Adult foodflower nectar

Conservation: pops. in s. CA need assessment


  1.   often flies with Boisduval’s blue

  2.   fem. duller, variable orange on wing margins


Arrowhead blue Glaucopsyche piasus

Life history facts

egg: laid on flower buds of host plant

larva: feed on flowers and fruit

pupa: hibernates

adult:  males patrol near host plant

awaiting photo