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North American Ecology (US and Canada)Resident in North America east of the Rockies (Scott 1986). Habitats are WOODS, MOUNTAINS AND SUBURBS. Host plants include many species, but mostly in one family, Umbelliferae. 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 MAY15-JUN30 in the northern part of the range and JAN1-DEC31 in the southern part of their range (Scott 1986).