Status:  fairly common resident

Flights:  1, May-Sep

Distribution/known sites in Monterey County:  widespread in foothills and mountains; Nacimiento Rd., Arroyo Seco, Chew’s Ridge, Fremont Pk., Chalone Pks., Big Creek Reserve

Habitats:  oak woods, brushy foothills, mixed conifers, meadows

Host plants: violets

Adult foodthistles, other flowers

Conservation: not required


  1.   in summer, adults disappear (reproductive diapause/estivation); females reappear in Aug-Sep, lay eggs

  2.   swift fliers in hillsides/canyons

  3.   less contrasting UP than callippe in coastal CA; marginal row of silver spots UN rounded or flattened, capped with pale green


Coronis fritillary Speyeria coronis

Life history facts

egg: laid singly on litter near violets

larva: first stage overwinters unfed; feeds on violet leaves in spring


adult:  males patrol open areas for females; females may delay egg-laying until late summer

on composite in Palo Colorado canyon