North American Ecology (US and Canada)
Chlosyne nycteis is resident to the eastern United States and southeastern Canada, as well as a few isolated populations further west (Scott 1986). Habitats are streamsides, moist meadows, open moist deciduous woods. Host plants are herbaceous species restricted to family Compositae. Eggs are laid on the host plant in clusters averaging 121 eggs per clutch. Individuals overwinter as third instar larvae, in a special skin. There is a variable number of flights each year depending on latitude with one flight in the north and high altitude between June 1-July15, and multiple flights in the southern part of the range from Mar.1-Sept30. (Scott 1986).
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