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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.

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.

Updates from March 15, 2004

Updates from March 15, 2004

Closeup insects by Troutnut from the Namekagon River in Wisconsin

Dorsal view of a Female Strophopteryx fasciata (Taeniopterygidae) (Mottled Willowfly) Stonefly Adult from the Namekagon River in Wisconsin
Several stoneflies of this species were the first adult insects I found in 2004 when I started this site. The hatch was sparse but lasted a good part of the day, and I noted a few good rises despite the early season cold. They ended up struggling on the water's surface fairly often.
Dorsal view of a Female Strophopteryx fasciata (Taeniopterygidae) (Mottled Willowfly) Stonefly Adult from the Namekagon River in Wisconsin
Several stoneflies of this species were the first adult insects I found in 2004 when I started this site. The hatch was sparse but lasted a good part of the day, and I noted a few good rises despite the early season cold. They ended up struggling on the water's surface fairly often.
Ruler view of a Male Strophopteryx fasciata (Taeniopterygidae) (Mottled Willowfly) Stonefly Adult from the Namekagon River in Wisconsin The smallest ruler marks are 1/32".
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.

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