Isabella Tiger Moth

Pyrrharctia isabella

Summary 2

The Isabella Tiger Moth (Pyrrharctia isabella) can be found in many cold regions, including the Arctic. The banded Woolly Bear larva emerges from the egg in the fall and overwinters in its caterpillar form, when it literally freezes solid. First its heart stops beating, then its gut freezes, then its blood, followed by the rest of the body. It survives being frozen by producing a cryoprotectant in its tissues. In the spring it thaws out and

Sources and Credits

  1. (c) Jenn Forman Orth, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/49503155549@N01/108958237
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Pyrrharctia_isabella

More Info

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