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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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Siphloplecton (Pseudo-Gray Drake) Mayfly Nymph Pictures

This nymph has double front tarsal claws and double gills on the first three abdominal segments. This one has a distinct dorsal stripe.

This mayfly was collected from unknown in Wisconsin on March 1st, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.


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Siphloplecton (Pseudo-Gray Drake) Mayfly Nymph Pictures

Collection details
Location: unknown, Wisconsin
Date: March 1st, 2004
Added to site: January 25th, 2006
Author: Troutnut
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