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.

View from Upper to Lower Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Coleoptera (Beetle) Insect Larva Coleoptera (Beetle) Insect Larva

Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington

6 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.

Neoleptophlebia Mayfly Nymph Pictures

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the South Fork Snoqualmie River in Washington

Ruler view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the South Fork Snoqualmie River in Washington The smallest ruler marks are 1/16".

Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the South Fork Snoqualmie River in Washington

Ventral view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the South Fork Snoqualmie River in Washington

This mayfly was collected from the South Fork Snoqualmie River in Washington on June 16th, 2018 and added to Troutnut.com by Troutnut on July 3rd, 2018.

Discussions of this Nymph

Neoleptophlebia

Posted by Millcreek on Jul 19, 2019

Last reply on Jul 19, 2019 by Millcreek

This nymph should be under Neoleptophlebia. Paper is here. http://biosoil.ru/files/00013828.pdf

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