Tiger Swallowtail butterfly – 5/30/10

Observer: Paul Lauenstein

Observation Date: 5/30/10

Observation Time: 3:50 p.m.

Observation Location: Moose Hill Audubon Wildlife Sanctuary

Common Name: Tiger Swallowtail butterfly

Scientific Name: Papilio glaucus

Comments: Females are dimorphic. The yellow morph differs from the male in having a blue postmedian area on the dorsal hindwing. In the dark morph, the areas that are normally yellow are replaced with dark gray or black.

More Information: Wikipedia