Abdomen is blue on top, red-orange beneath. Upperside black with wide-spread iridescent blue. Underside black with iridescent gold markings near tails.
Caterpillars eat leaves and male flowers of the host plant.
Chrysalids hibernate in crevices at base of host tree or under loose bark. Three flights from March-December. Nectar from flowers including goldenrod, Hercules club, shepherd's needle, sweet pepperbush, and wild plum. Oak woods, mesquite forests, planted walnuts in agricultural or suburban areas, and mixed woods infested with mistletoe. Guatemala north to central California, east through Texas and southern Missouri to Maryland.