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Pycnopsyche (Great Autumn Brown Sedges) Caddisfly Larva Pictures

This caddisfly was collected from Mystery Creek #62 on April 1st, 2007 and added to Troutnut.com on April 3rd, 2007.

This is a big one.  Pycnopsyche (Great Autumn Brown Sedges) Caddisfly Larva from Mystery Creek #62 in New York
This is a big one.
I cut open the top of this larva's case and spread it out so you can see what the inside looks like.  It's a tough coating of silk, surprisingly thick.  Pycnopsyche (Great Autumn Brown Sedges) Caddisfly Larva from Mystery Creek #62 in New York
I cut open the top of this larva's case and spread it out so you can see what the inside looks like. It's a tough coating of silk, surprisingly thick.
Look closely at these pictures of the case and you can see it's not solid wood pieces, but that some of the silk used to attach the wood is showing through in the cracks.  Pycnopsyche (Great Autumn Brown Sedges) Caddisfly Larva from Mystery Creek #62 in New York
Look closely at these pictures of the case and you can see it's not solid wood pieces, but that some of the silk used to attach the wood is showing through in the cracks.

Recent Discussions of this Larva

good Trichoptera key 4 Replies »
Posted by Earlfishman on Apr 11, 2007
Last reply on Apr 17, 2007 by GONZO
Find a used copy of Wiggin's "trichoptera larvae of north america" or some similar title. It is the best guide to get to genus for all the caddis you may run across
ReplyPossibly Pycnopsyche
Posted by GONZO on Apr 3, 2007
Based on the case and the size, I'd tenatively guess Pycnopsyche. But someone else may have a way to key the larva.
Reply

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