Pyrrharctia isabella

Isabella Moth / Woolly Bear

Pyrrharctia isabella, Isabella Moth


Family: Erebidae

Subfamily: Arctiinae

Tribe: Arctiini

Wingspan: 45 - 65 mm


Pyrrharctia isabella is a two-brooded species; the larvae develop on a diverse group of plants ranging from Corn to Elms to Asters.

The caterpillars are the familiar Banded Woolly Bears. Folklore says the width of the caterpillars' bands can be used to predict the severity of the coming winter.

Isabella Moth (Woolly Bear Moth) photo

American Insects site