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North American Ecology (US and Canada)

Speyeria zerene is resident in the northwestern United States into southern Canada, and along the Canadian west coast to the northern BC border (Scott 1986). Habitats are transition to Canadian zone conifer woodland, sagebrush, salt-spray meadows and moist coastal dunes. Host plants are herbaceous, and restricted to several species of genus Viola (Violaceae). Eggs are laid haphazardly, near the host plant, singly. Individuals overwinter as unfed first instar larvae on a thin silk mat. There is one flight each year with the approximate flight time June 15- early Sept. (Scott 1986).


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