Papilio polyxenesYou can tell that this is a female by noting the additional blue in its hindwings near her tails.
Papilio polyxenesThe male Black Swallowtail has much less blue on its hindwings near its tails.
Papilio glaucusViewed from the underside, you can still see the tiger stripes. Most females of Tiger Swallowtails are yellow like the males, but a few are black. Males are never black.
Note that this individual has lost one of her tails, probably to a predator.
Papilio glaucusFemale tiger swallowtails can be either a yellow or dark morph. Males are always yellow.
Papilio glaucusThis is the predominant yellow morph of the Tiger Swallowtail.
Papilio cresphontesThis swallowtail was nectaring on red pentas, a favorite exotic plant for many of the large butterflies in a yard.
Battus philenorThis Pipevine Swallowtail is nectaring on Oakleaf Hydrangea (Hydrangea quercifolia.)
Battus philenorThis adult has recently emerged and is still unable to fly.
Papilio troilusThis female Spicebush Swallowtail is nectaring on Mountain Mint (Pycnanthemum sp..
Papilio troilusMale Spicebush Swallowtails have a much more prominent color cast on the hind wings than females.
Eurytides marcellusThis beautiful Zebra swallowtail is basking in the sun after its emergence.