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Santa Barbara Field Guides - Butterflies Lepidoptera Hesperiidae Erynnis pacuvius Pacuvius Duskywing |
Size:
wingspread 1-2 in. Recognition: Variable; Pacific coast populations golden brown with FW fading to grayish brown at tips, with few small white spots; HW uniform brown with thin dark border along margin; underside almost uniformly brown. Flight period: Adults are active in late spring to late summer, representing at least two generations. Hostplants: Larvae feed on various species of Ceanothus (Rhamnaceae). Habitat: Occurs in chaparral and open, mid- to upper elevation forests. Distribution: Pacific coast of U.S., except for the central valley of California; also scattered in Rocky Mountains from British Columbia to Mexico. |