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Cheumatopsyche (Little Sister Sedges) Caddisfly Pupa Pictures

 I photographed this one recently dead. It's hard to keep caddis pupae alive for very long in a collection container.

This caddisfly was collected from the Namekagon River on May 18th, 2004 and added to Troutnut.com on January 25th, 2006.

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Cheumatopsyche (Little Sister Sedges) Caddisfly Pupa from the Namekagon River in Wisconsin
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Cheumatopsyche (Little Sister Sedges) Caddisfly Pupa from the Namekagon River in Wisconsin
Shown Full Size
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Cheumatopsyche (Little Sister Sedges) Caddisfly Pupa from the Namekagon River in Wisconsin

Recent Discussions of this Pupa

Can you provide a size for this specimen? 5 Replies »
Posted by GONZO on Nov 8, 2006
Last reply on Jul 24, 2008 by GONZO
Jason-

I hate to ask you to dig through your specimen vials, but I'm curious to know if you can give a size reference for this one. I've stared at it many times. My first impression was Brachycentrus, but that impression was based entirely on color and markings. I haven't been able to find any definitive keys to verify this id (though I may be missing something).

May 18 does seem a little on the late side for most of the common Eastern/Midwestern Brachycentrus spp. But, we do have a peak emergence of a Micrasema sp. around that time on the Brodheads. This is the reason I was wondering about the size. I also wanted to call attention to this specimen in the hope that Litobrancha, Taxon, or someone else might be able to end my puzzlement.
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