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North American Ecology (US and Canada)Resident in North America (Scott 1986). Habitats are TUNDRA, WOODS, PRAIRIE. Host plants are largely restricted to a few species mostly in one family, Compositae. Hosts are usually herbaceous. Eggs are laid on the host plant singly. Individuals overwinter as pupae. There are a variable number of flights based on latitude with the approximate flight time JUN1-JUL15 in the northern part of the range and MAY1-SEP30 in the southern part of their range (Scott 1986).