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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.

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.

Wiflyfisher has attached these 7 pictures to aid in identification. The message is below.
Ephoron luekon caught in spider's web on a branch.
A branch full of white flies!
A hand full of Ephoron luekon duns & spinners
More Ephoron luekon
A 17" brown trout who ate my wet fly imitation, early morning. (He was released right after photo.)
It appears the females have long, slender yellow egg sacks.
Closeup of Ephoron luekon spinner
Wiflyfisher's profile picture

Posts: 622
Wiflyfisher on Aug 5, 2007August 5th, 2007, 7:05 am EDT
This morning on one of my favorite NW Wisconsin streams I found Ephoron leukon spinners and duns covering spider webs near the stream. Also, a wet fly version of Ephoron leukon worked great at catching trout still looking for the little white mayflies.

Martinlf's profile picture
Palmyra PA

Posts: 3047
Martinlf on Aug 5, 2007August 5th, 2007, 8:16 am EDT
Great bug photos! Nice fish, too.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Pleasant Gap, PA

Posts: 1197
Shawnny3 on Aug 5, 2007August 5th, 2007, 9:43 am EDT
Yes, very nice work on both fish and flies. What a hatch!

Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
Spring Mills, PA

Posts: 97
IEatimago on Aug 6, 2007August 6th, 2007, 6:18 pm EDT
thats awsome!
also congrats on your catch.
Troutnut's profile picture
Bellevue, WA

Posts: 2758
Troutnut on Aug 6, 2007August 6th, 2007, 8:50 pm EDT
Great photos John! I've gotta say I miss that river, hard as it may be to complain about my present situation. :)
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Wiflyfisher's profile picture

Posts: 622
Wiflyfisher on Aug 7, 2007August 7th, 2007, 10:45 am EDT
Jason, I never said what river! :-)

It's hard to compete with your terrific digital shots! Especially with my el cheapo point-and-click camera. Of course, even if I had the more expensive stuff I still wouldn't know how to use it. I need a mouse and a keyboard for everything. :-)

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