Spicebush swallowtail

Butterfly of the Week – Spicebush Swallowtail

The spicebush swallowtail butterfly, Papilio troilus is a beautiful and interesting swallowtail.  It is typically found in the eastern half of the United States from southern Canada to southern Florida and west to Texas.   The upper surface of the forewings is black with marginal and sub-marginal rows of light yellow spots. The upper surfaces of the […]