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.

Turquoise view of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Limnephilidae (Giant Sedges) Caddisfly Larva Limnephilidae (Giant Sedges) Caddisfly Larva

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington

This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.

10 Recently Added Photos

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.

Female Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

This specimen was collected on the same trip as a similar dun.

Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Namekagon River in Wisconsin

Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Namekagon River in Wisconsin

Dorsal view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Namekagon River in Wisconsin

Ventral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Namekagon River in Wisconsin

This mayfly was collected from the Namekagon River in Wisconsin on May 28th, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.

Discussions of this Dun

How about a little discussion of this one?

2 replies

Posted by Oldredbarn on Apr 6, 2010

Last reply on Apr 6, 2010 by Martinlf

Jason, Taxon, Gonzo et al...

This one seems to have slipped through the id gauntlet...Does anyone want to hazzard a guess on the species level? BWO is a bit broad...

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