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Banded Woolly Bear

Pyrrharctia isabella

Description:

Fuzzy, banded caterpillar with black anterior and posterior ends, and reddish brown in the center. The colors change as they molt to successive instars though, and they become more reddish brown with age. The caterpillar in the first picture had a lot of dew on its setae, which made it look like it had spiked its setae with hair gel.

Habitat:

Spotted in a meadow and throughout a deciduous forest. I spotted 25 woolly bears during a 1.5 hour hike!

Notes:

The woolly bear's setae are not urticating, so they do not usually cause irritation or injury from being handled. However, the larvae should not be handled because their sharp setae may cause dermatitis in some susceptible people.

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6 Comments

Christine Y.
Christine Y. 6 years ago

We were lucky! We weren't even looking for them, they were just EVERYWHERE. We fortuitously saw a total of 36 caterpillars during that hike, 25 of which were woolly bears.

maplemoth662
maplemoth662 6 years ago

Your welcome, Christine....You are very lucky, to have seen 25 woolly bear caterpillars, in 1.5 hours....

Christine Y.
Christine Y. 6 years ago

Thanks for your comments maplemoth.

maplemoth662
maplemoth662 6 years ago

This caterpillar, is a masterpiece of beauty and color.....

maplemoth662
maplemoth662 6 years ago

A very cute caterpillar....

maplemoth662
maplemoth662 6 years ago

Very beautiful photos, and a very beautiful caterpillar....

Christine Y.
Spotted by
Christine Y.

Connecticut, USA

Spotted on Oct 4, 2017
Submitted on Oct 4, 2017

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