Caterpillar Identification Guide

American Lady (Vanessa virginiensis) caterpillar

Common Name: Pipevine Swallowtail

Genus-Species: Battus philenor

Host Plants: Pipevines (Aristolochia macrophylla, Aristolochia serpentaria and Aristolochia tomentosa)

Habitat: Open areas near woodlands where the larval host plants grow.

Comments: The Pipevine Swallowtail is an uncommon butterfly in Wisconsin. It feeds solely on Pipevines (Aristolochia sp.), none of which are native to Wisconsin. Records of this species in Wisconsin are mainly associated with plantings of Dutchman's Pipevine.