Because of their large size and that many visit gardens, the swallowtails are one of our most recognized groups of butterflies.  Most have tails and some of the dark varieties belong to a complex mimicry ring.

Subfamily Papilioninae, The Swallowtails

Eastern Tiger Swallowtail, (Papilio glaucus)
Canadian Tiger Swallowtail, (Papilio canadensis)
Two-Tailed Swallowtail, (Papilio multicaudata)
Pipevine Swallowtail, (Battus philenor)
Black Swallowtail, (Papilio polyxenes)
Anise Swallowtail, (Papilio zelicaon)
Old World Swallowtail, (Papilio machaon)
Palamedes Swallowtail, (Papilio palamedes)