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North American Ecology (US and Canada)Amblyscirtes vialis is resident in most of southern Canada and the United States except the southwestern corner (Scott 1986). Habitats are Gulf Coast to Canadian zone mostly wooded areas. Host plants are grasses, restricted to several genera including Uniola, Poa, Agrostis, and many other grass species in the lab. Eggs are laid on the host plant singly. Individuals overwinter as larvae. There is one flight each year with the approximate flight time late May ? June 30 most places, June 10-July 15 in the northern and high altitude parts of the range, and late March-May 15 in the southern part of the range (Scott 1986).