Caterpillar Identification Guide

American Lady (Vanessa virginiensis) caterpillar

Little Wood Satyr

Genus-Species: Megisto cymela,

Host Plants: Orchard grass (Dactylis glomerata) and centipede grass (Eremochloa ophiuroides).

Habitat: Grassy woods and openings, old fields; especially in limey or basic soils.

Comments: The Little Wood Satyr caterpillar is brown with a dark dorsal stripe, brown dashes, two short stubby tails and two small horns on the head. Partially grown larvae overwinter.

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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