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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Female Hydropsyche (Spotted Sedge) Caddisfly Adult Female Hydropsyche (Spotted Sedge) Caddisfly Adult

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from the Columbia River in Washington

7 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.

Chloroperlidae

Chloroperlidae (Sallfly) Stonefly Nymph

7 Pictures

Collected May 9, 2008 from the Chena River in Alaska

Added by Troutnut on April 20, 2011

Collected May 9, 2008 from the Chena River in Alaska and added by Troutnut on April 20, 2011

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Apr 27, 2011April 27th, 2011, 4:28 pm EDT

Hi Jason,

This is a chloroperlid. Among other traits, the tiny, asymmetrically inserted terminal segment of the maxillary palp is distinctive for this family.

The revamped site is cool. Nice work.

Best,
Lloyd

Troutnut