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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.

Upper Titcomb Lake From Titcomb Basin in Wyoming

Stream photos

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Skwala (Large Springfly) Stonefly NymphSkwala (Large Springfly) Stonefly Nymph
Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
6 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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Updates from April 29, 2007

Updates from April 29, 2007

Photos by Troutnut from Dresserville Creek in New York

I got several nice insect photographs in this calm pool, part of an extremely tiny side channel of a small trout stream. When I eventually waded into it to get a better angle, several Hendrickson nymphs panicked and emerged. From Dresserville Creek in New York

Underwater photos by Troutnut from Dresserville Creek in New York

Several small minnows (bluntnose minnows, maybe?) mill around in this still backwater of a small trout stream.

On-stream insect photos by Troutnut from Dresserville Creek in New York

Dresserville Creek in New York
After I took this photo, this specimen was swept out of this tiny pool into a riffle downstream, where I swooped it up with my aquarium net and brought it home to photograph. See it up close here. From Dresserville Creek in New York
Dresserville Creek in New York

Closeup insects by Troutnut from Dresserville Creek in New York

14
Male Neoleptophlebia adoptiva (Blue Quill) Mayfly Dun
Lateral view of a Male Neoleptophlebia adoptiva (Leptophlebiidae) (Blue Quill) Mayfly Dun from Dresserville Creek in New York
9
Male Epeorus pleuralis (Quill Gordon) Mayfly Dun
Lateral view of a Male Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Dun from Dresserville Creek in New York
I kept this specimen after photographing it and it molted into a spinner in perfect condition, which I photographed here.
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Female Baetidae (Blue-Winged Olive) Mayfly Spinner
Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Spinner from Dresserville Creek in New York
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Male Epeorus pleuralis (Quill Gordon) Mayfly Spinner
Lateral view of a Male Epeorus pleuralis (Heptageniidae) (Quill Gordon) Mayfly Spinner from Dresserville Creek in New York
A few days earlier I photographed this same specimen as a dun. The changes between dun and spinner seem particularly dramatic in this species.

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