Wisconsin Native Caterpillars

American Lady (Vanessa virginiensis) caterpillar

Clouded Sulphur Caterpillar

Genus-Species: Colias philodice

Description: Caterpillars are grass green with a multicolored stripe along the lower edges of the body. The upper stripe is white; followed by red/pink; white; and finally black. Orange Sulphur caterpillars are so similar that they cannot be reliably separated in the field.

Chrysalis: The chrysalis is green with yellow and black dashes.

Host Plants: Plants in the pea family including alfalfa (Medicago sativa), white clover (Trifolium repens), and pea (Pisum sativum).

Habitat: Many different open areas including fields, lawns, alfalfa and clover fields, road edges, meadows.

Comments: Caterpillars are grass green with a multicolored stripe along the lower edges of the body. The upper stripe is white; followed by red/pink; white; and finally black.

Adult Butterfly Profile
Bog Fritillary, Boloria eunomia

Caterpillar Anatomy: A Tutorial

Caterpillars come in many colors, shapes, and sizes. Some caterpillars are quite hairy, while others are smooth. Despite differences between species, though, all caterpillars share certain morphological features.

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Caterpillar Quiz

Take this quick quiz and see how much you know about caterpillars. This quiz is intended for fun, in a random-facts-can-be-cool kind of way.

Eastern Tiger Swallowtail, Papilio glaucus

How Caterpillars Change Into Butterflies

How does this magic happen? Learn about metamorphosis - the process of transformation from an immature form to an adult bitterfly.

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