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.

Stream photos

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Doroneuria baumanni (Golden Stone) Stonefly Nymph Doroneuria baumanni (Golden Stone) Stonefly Nymph

Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph from Sears Creek in Washington

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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 Baetisca obesa (Armored Mayfly) Mayfly Dun Pictures

This Baetisca obesa dun hatched out in my aquarium from nymphs collected a couple weeks earlier.

Dorsal view of a Female Baetisca obesa (Baetiscidae) (Armored Mayfly) Mayfly Dun from the Neversink River (aquarium-raised) in New York

Female Baetisca obesa (Baetiscidae) (Armored Mayfly) Mayfly Dun from the Neversink River (aquarium-raised) in New York

Ventral view of a Female Baetisca obesa (Baetiscidae) (Armored Mayfly) Mayfly Dun from the Neversink River (aquarium-raised) in New York

Lateral view of a Female Baetisca obesa (Baetiscidae) (Armored Mayfly) Mayfly Dun from the Neversink River (aquarium-raised) in New York

Ruler view of a Female Baetisca obesa (Baetiscidae) (Armored Mayfly) Mayfly Dun from the Neversink River (aquarium-raised) in New York The smallest ruler marks are 1 mm.

This mayfly was collected from the Neversink River (aquarium-raised) in New York on May 23rd, 2007 and added to Troutnut.com by Troutnut on June 4th, 2007.

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