Header image
Enter a name
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.
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.

Male Caudatella heterocaudata Mayfly Dun Pictures

A few days after unexpectedly collecting a female dun of this species, but in a sad, bedraggled shape, I went back to the same pool to see if I could find more. I was able to catch this one male dun during a dusk emergence dominated by other species, and he made it home in prime shape for photos.

Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Lateral view of a Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Dorsal view of a Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Ventral view of a Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington
Artistic view of a Male Caudatella heterocaudata (Ephemerellidae) Mayfly Dun from the Cedar River in Washington

This mayfly was collected from the Cedar River in Washington on July 2nd, 2021 and added to Troutnut.com by Troutnut on July 4th, 2021.


Start a Discussion of Dun

Male Caudatella heterocaudata Mayfly Dun Pictures

Collection details
Location: Cedar River, Washington
Date: July 2nd, 2021
Added to site: July 4th, 2021
Author: Troutnut
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy