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.

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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.

Not Maccaffertium, E. vitreus female

Female Epeorus vitreus (Sulphur) Mayfly Dun

4 Pictures

Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Dun from the Namekagon River in Wisconsin

Collected June 7, 2005 from the Namekagon River in Wisconsin

Added by Troutnut on May 26, 2006

Collected June 7, 2005 from the Namekagon River in Wisconsin and added by Troutnut on May 26, 2006

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Oct 19, 2006October 19th, 2006, 10:06 am EDT

This one seems to have slipped by. It is a classic Pink Lady (Epeorus vitreus female)--unmarked wings, dark humeral vein, upward slanting (weak) basal costal crossveins, and 1st two tarsal segments nearly equal.

Troutnut