North American Ecology (US and Canada)

Migratory in southwest North America except the tip of south Texas (Scott 1986). Habitats are SUBTROPICAL AND DESERT OPEN AREAS. Host plants are herbs and trees with most known hosts restricted to a few species in family Leguminosae. There are multiple flights each year with the approximate flight time JUL1-OCT31 in the northern part of the range and year-round in the southern part of their range (Scott 1986).