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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.

Male Strophopteryx fasciata (Mottled Willowfly) Stonefly Adult Pictures

This male died overnight before I had the chance to photograph him, so his abdomen is shorter than it should be because it shriveled a bit.

This stonefly was collected from the Namekagon River in Wisconsin on March 16th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.


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Male Strophopteryx fasciata (Mottled Willowfly) Stonefly Adult Pictures

Collection details
Location: Namekagon River, Wisconsin
Date: March 16th, 2004
Added to site: January 25th, 2006
Author: Troutnut
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