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.

Stream photos

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (Sallfly) Stonefly Nymph

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington

This species was fairly abundant in a February sample of the upper Yakima.

10 Recently Added Photos

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.

The Gulkana River

Closeup insects by Troutnut from the Gulkana River in Alaska

Male Baetis bicaudatus (BWO) Mayfly Nymph

8 Pictures

Dorsal view of a Male Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from the Gulkana River in Alaska

Collected July 16, 2011 from the Gulkana River in Alaska

Added by Troutnut on July 20, 2011

Collected July 16, 2011 from the Gulkana River in Alaska and added by Troutnut on July 20, 2011

Female Drunella doddsii (Western Green Drake) Mayfly Dun

7 Pictures

Lateral view of a Female Drunella doddsii (Ephemerellidae) (Western Green Drake) Mayfly Dun from the Gulkana River in Alaska

I still haven't got my good camera gear set up, but I wanted to get my first Alaskan bug specimen online, so I photographed this one with my point+shoot in the raft.

Collected July 7, 2007 from the Gulkana River in Alaska

Added by Troutnut on July 19, 2007

Collected July 7, 2007 from the Gulkana River in Alaska and added by Troutnut on July 19, 2007

Blue-winged OlivesBaetis

Trout, Salmon, and Grayling Streams › Alaska › The Gulkana River