Note the half twist to the tails which helps distinguish it from the similar Western Tiger Swallowtail (Papilio rutulus). The plant is coffee berry (Rhamnus sp.).
Panasonic DMC-LZ5
Pale Swallowtail (Papilio eurymedon) 8 May 2011 at Mitchell Canyon Trail, Mount Diablo State Park, Clayton, CA Photo © 2011 Joseph Morlan
Note the half twist to the tails which helps distinguish it from the similar Western Tiger Swallowtail (Papilio rutulus). The plant is coffee berry (Rhamnus sp.). Panasonic DMC-LZ5 |