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.

Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
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 Cinygmula (Dark Red Quill) Mayfly Spinner Pictures

This male was collected from the same cloud of spinners as this female and is probably the same species. I'm tentatively calling them both Cinygmula for now, but I'm really not sure about that ID yet.

Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana
Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana
Lateral view of a Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana
Dorsal view of a Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana
Ventral view of a Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana
Each mark on the ruler is 1/16 inch

Ruler view of a Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana The smallest ruler marks are 1 mm.
Male Cinygmula (Heptageniidae) (Dark Red Quill) Mayfly Spinner from Rock Creek in Montana

This mayfly was collected from Rock Creek in Montana on August 17th, 2018 and added to Troutnut.com by Troutnut on June 13th, 2019.


Start a Discussion of Spinner

Male Cinygmula (Dark Red Quill) Mayfly Spinner Pictures

Collection details
Location: Rock Creek, Montana
Date: August 17th, 2018
Added to site: June 13th, 2019
Author: Troutnut
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy