What's That Bug? does not endorse extermination

What is this – Bug, Crayfish, ???
Location: Woodstock, NY
April 9, 2011 11:43 am
I live in Woodstock, NY on a lake with a stream. In pools around the stream there are 1000s of these of various sizes. They also seem to be undergoing a metamorphosis. Some are inside cocoons made of various elements. They are in the water, mostly, but seem to be able to survive on land.
Signature: Alan Cohen

Stonefly Naiad

Hi Alan,
This is the larva of a Stonefly, known as a Naiad.  Their presence in large numbers is a good indication that the stream in which they were found has very low levels of pollution.  You can find additional information on Stoneflies on BugGuide.

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What's That Bug? does not endorse extermination
Location: New York

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