Still visible on some bare trees out there, these hanging gardens are the cocoons of a bagworm moth in the family Psychidae.
There’s a caterpillar in here who made this hanging tent of leaves last year so it could overwinter. There are some 1300-plus known members of the Psychidae world-wide. The better known in our region use conifers, but some will use deciduous trees, gathering material from the tree to make the shaggy cocoon.

I had at first thought these some new to me form of gall, but set me right.

3 Responses to “Cocoon”

  1. 1 Out Walking the Dog April 12, 2013 at 8:17 am

    What a fantastic structure. Thanks for the tip on the identity of the architect. I will look for these.

  2. 2 McMackin, Rebecca (BBP) April 15, 2013 at 8:42 am

    Where are these?!?!?! We must destroy them!!!!

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