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North American Ecology (US and Canada)Resident in Northern North America (Scott 1986). Habitats are Canadian to arctic/alpine zone forest clearings, meadows and tundra. Host plants are usually herbaceous or shrubs with most known hosts from three families: Leguminosae, Empetraceae, and Ericaceae, depending on location. Eggs are laid on or near the host plant singly. Individuals overwinter as eggs. There is one flight each year with the approximate flight time Jun30-Aug15; late July-Aug15 in Newfoundland-Labrador (Scott 1986). Considered synonymous with Plebejus idas by some (Scott 1986).