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Insects and other arthropods

Isabella tiger moth

English
Pyrrharctia isabella

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Description

The caterpillar, called a “woolly bear caterpillar” because of its fuzzy appearance, is black at the ends and rust-coloured in the middle. It lives alone and is about 4 cm long.

Life cycle

The woolly bear caterpillar spends the winter in dormancy, either partially mature or in its last larval stage. There are two generations each year.

Geographic distribution

The species is common in the United States and Canada.

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