What's That Bug? does not endorse extermination

rockin’ caterpillars
These little fellows were twitching in their mass cocoon. The picture was taken in early summer. Can you identify them?
Mike
Boise, ID

Hi Mike,
These are Tent Caterpillars, probably Eastern Tent Caterpillar, Malacosoma americanum. Here is a link with additional information.

What's That Bug? does not endorse extermination

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