Caterpillar Identification Guide

American Lady (Vanessa virginiensis) caterpillar

Common Name: Compton Tortoiseshell

Genus-Species: Nymphalis vaualbum

Host Plants: Aspen and Cottonwood (Populus species), Willows (Salix species) and Paper birch or White birch (Betula papyrifera)

Habitat: Deciduous woodlands, especially trails, openings, and woodland edges.

Comments: Although found throughout the state, the Compton Tortoiseshell is more common in the northern counties.