Black swallowtail

Wallpaper Description:

The (Eastern) Black Swallowtail also called the American Swallowtail or Parsnip Swallowtail is a butterfly found throughout much of North America. It is the state butterfly of Oklahoma.

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.