EasternTigerSwallowtail1

Eastern Tiger Swallowtail (Papilio glaucus)

Eastern Tiger Swallowtail (Papilio glaucus)
The male of this species has only a few small blue spots in the submarginal dorsal hindwing.
Chiwaukee Prairie, Kenosha County, Wisconsin
May 26, 2012
Photo by Tori Graham