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North American Ecology (US and Canada)Polygonia progne is resident in much of southern Canada and the northeastern United States, and is migratory in some parts of its range. There is also a western subspecies (Scott 1986). Habitats are woodlands. Host plants are shrubs and include species mostly restricted to three families, Grossulariaceae, Ericaceae, and Betulaceae. Eggs are laid on the host plant leaves. Individuals overwinter as adults. There are variable numbers of flights each year based on latitude, with one flight in late July in the northern part of their range and higher mountains, and two flights in the southern part of their range with approximate times June 15-July15, and late Aug. (Scott 1986).