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Troutnut Forum > Specimen Discussion > Perhaps Platycentropus

The Specimen

Lepidostoma (Little Plain Brown Sedges) Caddisfly LarvaLepidostoma (Little Plain Brown Sedges) Caddisfly LarvaView 6 PicturesThis one got a little bit damaged in the abdomen when I extracted it from its case. That's a delicate job.
Region: Catskills
Collected May 6, 2007
Added May 18, 2007

The Discussion

TaxonMay 18th, 2007, 5:04 pm
Mercer Island, WA

Posts: 506
Based on the case, I would think Platycentropus. Can you see if it has prosternal horns extending beyond the head capsule to mentum of labium? See Merrit p. 375 Figure 18.191.
Roger Rohrbeck
www.FlyfishingEntomology.com
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Replies:
TroutnutMay 18th, 2007, 6:25 pm
Fairbanks, AK

Posts: 1122
It doesn't. The prosternal horns only reach to the back of the head. It took about 10 minutes screwing around under a microscope to even see the prosternal horns (the whole thing is about half a centimeter long and the legs really wanted to be in the way). But I finally got a good view, and they are short, so that rules ot Platycentropus. The case seemed like a good match, though.
Jason Neuswanger
The Troutnut
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