Zebra Swallowtail

The Zebra Swallowtail Butterfly (Eurytides marcellus, other authorities list the species under genera in the family including Iphiclides, Graphium and Papilio) is a swallowtail butterfly found in the eastern United States, north-east Mexico and south-east Canada. Its distinctive black and white-striped pattern is reminiscent of a zebra.
The Zebra Swallowtail Butterfly is also the official state butterfly of Tennessee.