Woolly bear

Pronunciation
/WOOL-ee bair/
Category
Entomology
Singular
Woolly bear
Plural
Woolly bears

Definition

The caterpillar stage of the Isabella tiger moth (Pyrrharctia isabella), characterized by its fuzzy appearance with alternating bands of black and reddish-brown hair.

Etymology

The term 'woolly bear' reflects the caterpillar's furry appearance, with 'woolly' referring to its soft hair-like bristles and 'bear' perhaps likening it to a small, furry mammal.

Example

Many people believe that the width of the woolly bear's brown band predicts the severity of the upcoming winter.

Synonyms

Related Terms

Usage Notes

Woolly bears are often used in folklore to predict weather. The caterpillar's banding pattern and color can vary widely.