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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Enfield Creek in New York

Stream photos

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
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.
10 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 May 24, 2005

Updates from May 24, 2005

Closeup insects by Bnewell from Flathead Lake in Montana

Female Callibaetis (Speckled Dun) Mayfly Dun
1 Picture
Female Callibaetis (Baetidae) (Speckled Dun) Mayfly Dun from Flathead Lake in Montana
Added by Bnewell on July 14, 2011
Collected May 24, 2005 from Flathead Lake in Montana and added by Bnewell on July 14, 2011
Female Callibaetis (Speckled Dun) Mayfly Dun
2 Pictures
Female Callibaetis (Baetidae) (Speckled Dun) Mayfly Dun from Flathead Lake in Montana
Probably Callibaetis ferrugineus.
Added by Bnewell on June 27, 2011
Collected May 24, 2005 from Flathead Lake in Montana and added by Bnewell on June 27, 2011

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