Oregon Swallowtail (Papilio oregonius)

aka subspecies of Old World (P. machaon oregonius) or Baird's (P. bairdii oregonius)


Deschutes River, Oregon. April, 14 2012


Oregon State University collection

Comments. This is the Oregon state butterfly. Pyle treats it as a separate species but some consider it a subspecies of either the Old World or Baird's Swallowtail.

Similar species. Oregon Swallowtail has a yellow abdomen with black stripes and a black dot at the bottom of the red tail spot. Compare with the Anise Swallowtail which has a black abdomen with yellow stripe and a black dot in the middle of the red tail spot.



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