Caterpillar Identification Guide

American Lady (Vanessa virginiensis) caterpillar

Common Name: Eastern Tiger Swallowtail

Genus-Species: Papilio glaucus

Host Plants: Wild cherry (Prunus species), Magnolia or Cucumber tree (Magnolia species), Basswood (Tilia americana), Tulip tree (Liriodendron tulipifera), Birch (Betula species), Ash (Fraxinus species), Cottonwood (Populus species), American mountain ash (Sorbus americana), and Willow (Salix species).

Habitat: Wooded areas and open areas near woodlands.

Comments: The Eastern Tiger Swallowtail is a very common and conspicuous butterfly of southern Wisconsin.