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.

Lone tree on a rock in the middle of Big Lake. Fittingly, Big Lake is the largest of several short wide spots in the upper Brule River.

From the Bois Brule River in Wisconsin

Stream photos

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Tricorythodes (Trico) Mayfly Nymph Tricorythodes (Trico) Mayfly Nymph

Dorsal view of a Tricorythodes (Leptohyphidae) (Trico) Mayfly Nymph from Mystery Creek #308 in Washington

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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.

A little somethin somethin

DayTripper has attached this picture to aid in identification. The message is below.

DayTripper

Northern MI

Posts: 70

DayTripper on Jun 7, 2013June 7th, 2013, 7:36 pm EDT

I am pretty sure this is a March Brown female but wanted to post here to confirm. I caught one with the egg sac hanging out a few minutes before, and then pulled in two mating pairs where the female had this red belly full of eggs. Pretty excited about it! Thanks!

DayTripper

Northern MI

Posts: 70

DayTripper on Jun 7, 2013June 7th, 2013, 8:25 pm EDT

Sure did, I've actually got a couple dozen different bugs I'm planning to post here for help on the ID, just don't want to blow the place up :)

Oldredbarn

Novi, MI

Posts: 2600

Oldredbarn on Jun 10, 2013June 10th, 2013, 1:50 pm EDT

Nice pic!

Spence

"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood