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Photo#445064
Giant Stonefly - Pteronarcys californica

Giant Stonefly - Pteronarcys californica
In Westwood - elevation 5100ft, Lassen County, California, USA
June 13, 1991
Size: Wingspan about 60mm
I caught this big Stonefly on the side of our house about twenty years ago on June 13, 1991. Could it be Pteronarcys californica? Thanks for any ID help!

Moved
Moved from Giant Stoneflies.

Pteronarcys id
Jim, I found a dorsal view of Pteronarcys californica at the University of British Columbia site. It appears to match your specimen's wing venation. Can be seen at: http://www.biodiversity.ubc.ca/entomology_pictures/Plecoptera/Pteronarcyidae/Pteronarcys%20californica%20open%20wing%20%281dorsal%29.jpg
Mark

 
Thank you Mark!
They match very well.

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