Is this Black Swallowtail Papilio polyxenes? - Papilio polyxenes
Chihuahuan Desert Research Institute, 4 mi S Fort Davis, Jeff Davis County, Texas, USA September 7, 2014 Size: ~ 3 inches
I believe this is a specimen of Black Swallowtail, Papilio polyxenes; would like expert confirmation. Seen in Trans-Pecos Texas in the lower Davis Mountains, approximately 5,000 feet.