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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.

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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Male Stenonema modestum (Cream Cahill) Mayfly Spinner Pictures

Male Stenonema modestum (Heptageniidae) (Cream Cahill) Mayfly Spinner from unknown in Wisconsin
Male Stenonema modestum (Heptageniidae) (Cream Cahill) Mayfly Spinner from unknown in Wisconsin
Male Stenonema modestum (Heptageniidae) (Cream Cahill) Mayfly Spinner from unknown in Wisconsin
Ruler view of a Male Stenonema modestum (Heptageniidae) (Cream Cahill) Mayfly Spinner from unknown in Wisconsin The smallest ruler marks are 1/16".

This mayfly was collected from unknown in Wisconsin on August 5th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Spinner

Maccaffertium
Posted by GONZO on Oct 28, 2008
Last reply on Oct 28, 2008 by GONZO
Looks like M. modestum.

Start a Discussion of Spinner

Male Stenonema modestum (Cream Cahill) Mayfly Spinner Pictures

Collection details
Location: unknown, Wisconsin
Date: August 5th, 2004
Added to site: January 25th, 2006
Author: Troutnut
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