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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.

Lateral view of a Psychodidae True Fly Larva from Mystery Creek #308 in Washington
This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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.

Mahones41 has attached these 2 pictures to aid in identification. The message is below.
Mahones41
Mahones41's profile picture
Posts: 11
Mahones41 on Feb 22, 2012February 22nd, 2012, 12:34 pm EST
hey all,

so i am almost certain this is a stonefly. but i was wondering if it would be considered a 'tiny' one. i have seen what i though were tiny black stone flies that are only a qatar of the size of this one thanks for any info. the picture was taken in Monroe County, PA around 1230.
Lastchance
Portage, PA

Posts: 437
Lastchance on Feb 22, 2012February 22nd, 2012, 1:06 pm EST
Yep, that's it. I saw a bunch on Sunday.
Bruce
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Mar 23, 2012March 23rd, 2012, 4:34 pm EDT
Sorry Mahones, don't know how this one slipped by without trying to help. This looks like a species of the Taeniopterygidae (Willowfly) family. They are tiny stonefies arent they? They can get much smaller though, even half that size!
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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