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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Stoneflies (Plecoptera) » Giant Stoneflies (Pteronarcyidae) » Giant Stoneflies (Pteronarcys)
Photo#267705
giant stonefly exuvia - Pteronarcys
Copyright © 2009 Lynette Schimming

giant stonefly exuvia - Pteronarcys
Puyallup, Pierce County, Washington, USA
April 20, 2009
Size: 35 mm
Found near the Puyallup River on a log.
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Contributed by Lynette Schimming on 21 April, 2009 - 9:36am
Last updated 22 April, 2009 - 5:39pm

Moved
Moved from Stoneflies.
… Lynette Schimming, 22 April, 2009 - 5:39pm login or register to post comments

Pteronarcys
Probably californica, though dorsata would be hard to rule out. These are pretty easy to ID by the large size, short cerci, and distinctive windpad/pronotum shapes (as well as the location of the gills).
… Lloyd Gonzales, 22 April, 2009 - 10:28am login or register to post comments

 
Thanks
I brought it home and measured it yesterday. It is 35 mm.
… Lynette Schimming, 22 April, 2009 - 5:31pm login or register to post comments

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