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Zerene Fritillary Speyeria zerene


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Zerene Fritillary
credit: Walter Siegmund (talk)/CCSA

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Family: Nymphalidae, Brush-footed Butterflies view all from this family

Dimensions 1 7/8-2 1/2" (48-64 mm).

Endangered Status Three subspecies of the Zerene Fritillary are on the U.S. Endangered Species List. The Myrtle's Silverspot and Behren's Silverspot are classified as endangered in California; and the Oregon Silverspot is classified as threatened in California, Oregon, and Washington. Like so many other butterflies, these subspecies have lost considerable habitat to development. Collectors have further reduced their numbers.

Habitat Forests & woodlands, Shorelines & salt marshes, Meadows & fields, Scrub, shrub & brushlands.

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