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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Lateral view of a Psychodidae True Fly Larva from Mystery Creek #308 in Washington
This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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.

Female Epeorus pleuralis (Quill Gordon) Mayfly Dun Pictures

This dun comes from the same location, and is about the same size, so is presumably the same species as this male spinner.

Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Dorsal view of a Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Lateral view of a Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Ventral view of a Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York
Ruler view of a Female Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Enfield Creek in Treman Park in New York The smallest ruler marks are 1 mm.

This mayfly was collected from Enfield Creek in Treman Park in New York on May 15th, 2007 and added to Troutnut.com by Troutnut on May 18th, 2007.


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Female Epeorus pleuralis (Quill Gordon) Mayfly Dun Pictures

Collection details
Location: Enfield Creek in Treman Park, New York
Date: May 15th, 2007
Added to site: May 18th, 2007
Author: Troutnut
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