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Peter Dexter

Well-known member
This cocoon...

...is produced by this caterpiller which may be in the subfamily Arctiinae, a group of moths.

The "hairs" of the cocoon appear to be the recycled spines of the caterpillar. On the live animal they would contain venom that would produce a painful sting if touched. I wonder if when covering the cocoon they retain some venom protecting it from preditors.

Paul Iddon

There once was an ugly duckling, whose feathers....

Nice study - good to see what something can become.