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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.

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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 Siphlonurus quebecensis (Gray Drake) Mayfly Dun Pictures

This one hatched in my house after I brought some nymphs home to photograph.

This mayfly was collected from unknown in Wisconsin on May 18th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Dun

gray drake patterns
6 replies
Posted by Gutcutter on Feb 15, 2017
Last reply on Feb 19, 2017 by Jmd123
Anybody have any abdomen dubbing/ribbing suggestions to imitate this?

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Female Siphlonurus quebecensis (Gray Drake) Mayfly Dun Pictures

Collection details
Location: unknown, Wisconsin
Date: May 18th, 2004
Added to site: January 25th, 2006
Author: Troutnut
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