The black swallowtail has a wingspan of 8 to 11 cm (3.1 to 4.3 in). The upper surface of the wings is mostly black. On the inner edge of the hindwing is a black spot centered in larger orange spot. A male of this species has a yellow band near edge of wings; a female has row of yellow spots. The hindwing of the female has an iridescent blue band.
Seen at Mason Farm Biological Reserve
Lat: 35.93, Long: -79.04
Spotted on May 31, 2012
Submitted on Jun 2, 2012