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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.

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.
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.
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Stenonema (March Browns and Cahills) Mayfly Nymph Pictures

Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Ventral view of a Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Dorsal view of a Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York
Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from Salmon Creek in New York

This mayfly was collected from Salmon Creek in New York on March 29th, 2006 and added to Troutnut.com by Troutnut on April 7th, 2006.


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Stenonema (March Browns and Cahills) Mayfly Nymph Pictures

Collection details
Location: Salmon Creek, New York
Date: March 29th, 2006
Added to site: April 7th, 2006
Author: Troutnut
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