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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Stoneflies (Plecoptera) » Nemouroidea » Small Winter Stoneflies (Capniidae) » Capnia » Capnia lineata
Photo#501499
another brachypterous capniid - Capnia lineata - male
Copyright © 2011 Joe

another brachypterous capniid - Capnia lineata - Male
Keller: 30 mile creek, Ferry County, Washington, USA
March 28, 2011
Size: 4 mm
I submitted a brachypterous capniid recently. This specimen (male) is much smaller with differently shaped genitalia than the former.

Images of this individual: tag all
another brachypterous capniid - Capnia lineata - male another brachypterous capniid - Capnia lineata - male another brachypterous capniid - Capnia lineata - male another brachypterous capniid - Capnia lineata - male another brachypterous capniid - Capnia lineata - male
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Contributed by Joe on 28 March, 2011 - 11:20pm
Last updated 19 February, 2019 - 3:34pm

Moved
Moved from Capnia zukeli.

I'm correcting a misidentification here. I was approached a couple years ago now by an Idaho state entomologist to discuss the original ID since that was a species of concern for the area. Plecopterist John Sandberg and I re-examined the specimens Joseph sent me and we determined the ID to be the more commonly encountered Capnia lineata. Sorry for the confusion and delay in correcting the mistake.
… Brady Richards, 19 February, 2019 - 3:34pm login or register to post comments

Moved
Moved from Small Winter Stoneflies.

Joe has sent me some specimens of this interesting species to examine. The structure of the epiproct and the brachypterous wings (males) are diagnostic.
… Brady Richards, 1 April, 2013 - 5:23pm login or register to post comments

Moved
Moved from ID Request.
… v belov, 30 March, 2011 - 12:17pm login or register to post comments

Can you provide closer shots
Can you provide closer shots on the epiproct? Lateral and/or dorsal. I can't quite make out what's going on at the tip. Cool critter. I think I can get a name for you on this one but need to rule something out first.
… Brady Richards, 29 March, 2011 - 1:04am login or register to post comments

 
epiproct of second capniid
Unfortunately I don't have the equipment to get closer shots of the epiproct - this is all macro photography, and it's as close as I can get. But when I return to Keller I'll do some photo tube drawing and send the drawings along. Thanks for all your help with this - it's appreciated. I walked over four miles in still snowy country above 2900 feet, and managed to find this one specimen - but lots of Nemourids and a few Leuctrids. I'll attach blowups of the epiproct to my previous shots of this critter. I'm quite sure that the tip of the epiproct is a simple point.
… Joe, 30 March, 2011 - 1:22am login or register to post comments

 
Thanks for looking at these i
Thanks for looking at these images Brady. It'll take me a few days before I'll have the time to take more shots of this capniid, and also of the leuctrid's subgenital plate. I hope to get these pictures to you next week (April 4-8).
… Joe, 29 March, 2011 - 2:11pm login or register to post comments

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