The Crescent's average wingspan is about 1.5 inches (approximately 3.8 cm). 
    It is found in all parts of the United States except the west coast, and throughout Mexico and parts of southern Canada, in particular Ontario.          

   Its habitat is open areas such as pastures, road edges, vacant lots, fields, open pine woods
   Adults find nectar from a great variety of flowers including dogbane, swamp milkweed, shepherd's needle, asters, and winter cress. Males patrol open areas for females. The eggs are laid in small batches on the underside of host plant leaves. Caterpillars eat the leaves and are gregarious when young.