Pupa Remains

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I posted a blog late summer about the caterpillar of a white-marked tussock moth.

Later, I had a “duh” moment when I remembered taking the picture below.

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This is a pupal case of the White-marked tussock moth (Orgyia leucsotigma). My Caterpillars of Eastern North America book shows a picture of an empty cocoon, the same as the one above. My picture lacks the egg mass. Apparently the flightless female lays up to 300 eggs in a froth-covered mass over the cocoon. They overwinter in the egg stage.

6 responses to this post.

  1. Very cool 🙂


  2. That’s an interesting and different strategy.


  3. I could have sworn that I left a comment here last night. Oh well, nice find!


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