Photo courtesy Sandra Hart
Identification: Oplar, USGS Internet pages, Butterflies of Alabama - The Spicebush Swallowtail has a wingspan of 3 1/2 to 4 1/2 inches. Both sexes have coloring that is black-brown above with cream-white to cream-yellow spots around the forewing outer margin; the hindwing is black at the base, with one bright orange spot on the costa, and one on the trailing edge. The male hindwing is broadly clouded with diffuse but brilliant blue-green (rarely blue) between the spots. A series of sharply defined pale blue-green lunules run around the outer curve of the wing. The female is bluer above than the male; the hindwing has a broad cloud of dark green and blue scales and lime-green lunules. The below, hindwing of both sexes has two curved rows of bright orange-red spots (one around the margin and one parallel at the midwing), enclosing area is heavily spotted with blue.