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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.
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

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

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

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