Two-Tailed Swallowtail Butterfly

The Two-Tailed Swallowtail (Papilio multicaudata) is a beautiful large butterfly, yellow with black stripes. It has two tails on each hind wing; the outer one is longer.

It ranges throughout the western United States and Mexico, occupying semi-arid areas.

Size: 3 3/8" - 5 1/8"
Host plants: Cherry, Poplar, Ash, Willow, Hoptree, Chokeberry

Two-Tailed Swallowtail Butterfly
Two-Tailed Swallowtail Butterfly
By Five Acre Geographic (Own work) at Flickr via Creative Commons