Welcome to Marin County Parks

Guide to selected species of:

Marin County

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Edith's Checkerspot
© Jacqueline Johnson

Checkered Butterflies

Edith's Checkerspot  Euphydryas editha

Family: Brush-footed Butterflies, Nymphalidae

Dimensions  1 1/8-1 7/8" (28-48 mm).

Endangered Status  Two subspecies of the Edith's Checkerspot are on the U.S. Endangered Species List. The Quino Checkerspot and the Bay Checkerspot are classified as endangered in California. Both subspecies have suffered extensively from the loss of their habitat to development.

Habitat  Forests & woodlands, Shorelines & salt marshes, Scrub, shrub & brushlands, Grasslands & prairies, Alpine & subalpine habitats.

Range  Northwest, Western Canada, Rocky Mountains, California, Southwest.