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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 Setvena wahkeena (Perlodidae) (Wahkeena Springfly) Stonefly Nymph from Mystery Creek #199 in Washington
As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
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.

Freepow has attached this picture. The message is below.
Underwater Brownie!
Freepow
menomonie, WI

Posts: 83
Freepow on Apr 13, 2009April 13th, 2009, 7:10 am EDT
I recently got an Olympus Stylus 850 underwater camera...I wanted to put up a picture and see if anyone else is having luck with any underwater shots of trout?
"I fish...because I suspect that men are going along this way for the last time, and I for one don't want to waste the trip..."
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Apr 13, 2009April 13th, 2009, 9:49 am EDT
How long did you have to hold your breath to get this picture? Thanks for sharing.
Catskill fly fisher for fifty-five years.
Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197
Shawnny3 on Apr 13, 2009April 13th, 2009, 10:22 am EDT
I was wondering how long you had to hold your hand under there until the fish swam into it.

Amazing fortitude, and nice shot.

-Shawn
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com

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