Header image
Enter a name
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.

Lateral view of a Female Sweltsa borealis (Chloroperlidae) (Boreal Sallfly) Stonefly Adult from Harris Creek in Washington
I was not fishing, but happened to be at an unrelated social event on a hill above this tiny creek (which I never even saw) when this stonefly flew by me. I assume it came from there. Some key characteristics are tricky to follow, but process of elimination ultimately led me to Sweltsa borealis. It is reassuringly similar to this specimen posted by Bob Newell years ago. It is also so strikingly similar to this nymph from the same river system that I'm comfortable identifying that nymph from this adult. I was especially pleased with the closeup photo of four mites parasitizing this one.
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.

Female Epeorus albertae (Pink Lady) Mayfly Spinner Pictures

I collected this female spinner with a male dun and a female dun of the same species.

Lateral view of a Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington
Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington
Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington
Dorsal view of a Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington
Ventral view of a Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington
Ruler view of a Female Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Cedar River in Washington The smallest ruler marks are 1 mm.

This mayfly was collected from the Cedar River in Washington on July 2nd, 2021 and added to Troutnut.com by Troutnut on July 4th, 2021.


Start a Discussion of Spinner

Female Epeorus albertae (Pink Lady) Mayfly Spinner Pictures

Collection details
Location: Cedar River, Washington
Date: July 2nd, 2021
Added to site: July 4th, 2021
Author: Troutnut
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy