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North American Ecology (US and Canada)

Polygonia faunus is resident in across northern Canada, the northeastern United States from Alaska to central California, and along the Appalachian mountains in the eastern US. There are several separate populations in the central US. (Scott 1986). Habitats are Canadian to Hudsonian zone areas, mostly along streams. Host plants are shrubs or trees and include species from several families including Salicaceae, Betulaceae, Ericaceae, and Grossulariaceae. Eggs are laid on the host plant singly. Individuals overwinter as adults. There are variable numbers of flights each year depending on latitude with populations in the northern part of the range having one flight in late July; in the more southern part of the range there are two flights occurring June 15- July 15 and late Aug. in California, and late June ? Aug 15 and Sept. in Virginia (Scott 1986).


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