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Photo#305271
What is this ? - Corydalus cornutus

What is this ? - Corydalus cornutus
The Great Smoky Mountain's National Park, Tennessee, USA
I am wondering if this is some type of coccoon ? It was attached to the underside of a tree . I was actually in the water of the river, walking up and looked up to see this hanging over the water.

Moved
Moved from ID Request.

This is a dobsonfly egg mass. The larvae drop into the water when they hatch.

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