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> > Stonefly ID Please.

OldHasBeen has attached these 3 pictures to aid in identification. The message is below.
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OldHasBeenApril 26th, 2021, 11:25 am
Simcoe County, Ontario

Posts: 12
I have never in all my years of turning stones, have I seen a stonefly like this one. Could you please be so kind as to put a name to it. It came from a southern Georgian Bay tributary. Thank You!!!
TaxonApril 26th, 2021, 3:06 pm
Site Editor
Royse City, TX

Posts: 1347
Hi OldHasBeen-

I believe it to be Pteronarcys dorsata (American Salmonfly).
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
OldHasBeenApril 26th, 2021, 5:02 pm
Simcoe County, Ontario

Posts: 12
Thank you for getting back to me. I reached out to our local conservation authority, & the confirmed your findings.

Thanks Taxon!!!
WiflyfisherApril 27th, 2021, 1:47 pm
Wisconsin

Posts: 657
Trust me, Roger (Taxon) know the bugs.
John S.
https://WiFlyFisher.com
TroutnutApril 27th, 2021, 10:42 pm
Administrator
Bellevue, WA

Posts: 2736
Roger's right.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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