A female Pipevine Swallowtail at Boyce Thompson Arboretum in Arizona. These sometimes stray into Southern California as far as the coast. All these photos were taken Sept. 25, 2007.
A male Pipevine Swallowtail - note the irridescent hind wings. These were swarming the Lantana at the Arboretum that day.
Ventral of a Pipevine Swallowtail - Battus philenor.
Close-up of the hind wing of Battus philenor.
This is the original description of Battus philenor in Linnaeus' Mantissa plantarum of 1771, p. 535.