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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.

Two major forks of this grayling stream come together in this pretty pool. From the Chena River in Alaska

Stream photos

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Male Baetidae (Blue-Winged Olive) Mayfly DunMale Baetidae (Blue-Winged Olive) Mayfly Dun
Lateral view of a Male Baetidae (Blue-Winged Olive) Mayfly Dun from Mystery Creek #308 in Washington
This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.
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.
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  3. Site updates from July 9, 2005

Closeup insects by Bnewell from the Flathead River and Whitefish Lake in Montana

Female Stenonema terminatum Mayfly Dun
2 Pictures
Female Stenonema terminatum (Heptageniidae) Mayfly Dun from the Flathead River-Lower in Montana
Added by Bnewell on June 27, 2011
Collected July 8, 2005 from the Flathead River-Lower in Montana and added by Bnewell on June 27, 2011
Male Hexagenia limbata (Hex) Mayfly Spinner
1 Picture
Male Hexagenia limbata (Ephemeridae) (Hex) Mayfly Spinner from Whitefish Lake in Montana
Added by Bnewell on June 27, 2011
Collected July 8, 2005 from Whitefish Lake in Montana and added by Bnewell on June 27, 2011

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