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Woolly bear caterpillar (Isabella tiger moth larva)

Pyrrharctia isabella


4-cm caterpillar with thick, bristle-like setae. The larval stage overwinters... the larva actually freezes solid but survives by producing natural antifreeze in its tissues. Pupates in the spring.


Cornfield in southern RI.

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1 Comment

alicelongmartin 8 years ago

Nice, interesting information.

Spotted by

Rhode Island, USA

Spotted on Oct 8, 2012
Submitted on Oct 10, 2012

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