Ornythion Swallowtail (Papilio cresphontes)

Ornythion Swallowtail (Papilio ornythion)

Worn male, Chihuahua Woods RR tracks, Hidalgo Co., TX 10/18/04.

This rare butterfly resembles Giant Swallowtail, but is paler yellow, the bands on the forewing just touch at the tip (not crossing), and there's no yellow on the tails.

All photographs and text ©2013 by Will Cook unless otherwise noted.