Image Credit: Randy Bjorklund
Identification: Upper surface of forewing cell with 3 dark gray bars. Front wing has no red spots. Upper surface of hindwing with 2 red spots; female usually has red anal bar. Mated females have large, white keeled pouch (sphragis) at end of abdomen.
Wing Span: 2 - 2 1/2 inches (50 - 62 mm).
Caterpillar Hosts: Bleeding heart family (Fumariaceae) including Dicentra uniflora, D. formosa, and D. pauciflora.
Adult Food: Flower nectar.
Habitat: Open woods, alpine areas, meadows and rock outcrops.