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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.

Stenonema (March Browns and Cahills) Mayfly Nymph Pictures

Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Ventral view of a Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Dorsal view of a Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York

This mayfly was collected from Salmon Creek in New York on March 29th, 2006 and added to Troutnut.com by Troutnut on April 7th, 2006.


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Stenonema (March Browns and Cahills) Mayfly Nymph Pictures

Collection details
Location: Salmon Creek, New York
Date: March 29th, 2006
Added to site: April 7th, 2006
Author: Troutnut
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