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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Artistic view of a Neophylax (Thremmatidae) (Autumn Mottled Sedge) Caddisfly Larva from Fall Creek in New York
Posts: 34
DMM on Apr 6, 2007April 6th, 2007, 4:10 pm EDT
This is Neophylax. Was the exuvia actually attached to the case? I'll do some more IDs when I get a chance.
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Bellevue, WA

Posts: 2758
Troutnut on Apr 6, 2007April 6th, 2007, 4:42 pm EDT
Thanks for the ID. I believe the exuvia actually was attached, but I don't even remember seeing it on the specimen, so I've got to go by the same pictures you're seeing. I do know that with the way I was moving and sorting these guys around, it's unlikely that a piece of light unattached debris would have just settled on the case like that.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

Posts: 14
Beachvid on Apr 10, 2007April 10th, 2007, 2:01 am EDT
For the past few days I have studied your images on the new insects. They are very helpful to me and should be helpful to any avid angler.
I am very impressed with your work (and work it is) and just wanted to say so.
Grants Pass, OR

Posts: 302
Creno on Dec 22, 2007December 22nd, 2007, 11:38 am EST
Jason - what do you do with your critters after you take the picture? Is this specimen still available?


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