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The Specimen

Pteronarcys dorsata (Giant Black Stonefly) Stonefly NymphPteronarcys dorsata (Giant Black Stonefly) Stonefly Nymph View 8 Pictures
Collected February 7, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by on January 25, 2006

The Discussion

Post Reply
WiflyfisherOctober 2nd, 2021, 5:33 am
Wisconsin

Posts: 663		Jason, you short video it shows a Pteronarcys dorsata nymph squirming around in a container filled with water. My recent observations finding Pteronarcys dorsata nymphs in the shallows and then dropping them back into the drift is they sink helplessly at the mercy of the current, no swimming or struggling. Often times on their backs while sinking towards the bottom.







I am they are 1-2 years old and with crawl out and hatch next year.


John S.
https://WiFlyFisher.com
Jmd123October 21st, 2021, 1:43 pm
Oscoda, MI

Posts: 2611		NICE PHOTOS!!!!

Jonathon
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
TroutnutNovember 10th, 2021, 10:10 pm
Administrator
Bellevue, WA

Posts: 2737		Nice photos and observations John!
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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