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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.

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
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.
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Stenonema mediopunctatum (Cream Cahill) Mayfly Nymph Pictures

Ventral view of a Stenonema mediopunctatum (Heptageniidae) (Cream Cahill) Mayfly Nymph from the Namekagon River in Wisconsin
Dorsal view of a Stenonema mediopunctatum (Heptageniidae) (Cream Cahill) Mayfly Nymph from the Namekagon River in Wisconsin

This mayfly was collected from the Namekagon River in Wisconsin on June 8th, 2005 and added to Troutnut.com by Troutnut on May 26th, 2006.


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Stenonema mediopunctatum (Cream Cahill) Mayfly Nymph Pictures

Collection details
Location: Namekagon River, Wisconsin
Date: June 8th, 2005
Added to site: May 26th, 2006
Author: Troutnut
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