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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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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (Spotted Sedge) Caddisfly Larva
Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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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 July 16, 2008

Updates from July 16, 2008

Closeup insects by Bnewell from Rock Creek in Montana

Rhithrogena Mayfly Nymph
1 Picture
Rhithrogena (Heptageniidae) Mayfly Nymph from Rock Creek in Montana
Note the unusual red coloration of these Rhithrogena nymphs.
Collected July 16, 2008 from Rock Creek in Montana
Added by Bnewell on June 26, 2011
Collected July 16, 2008 from Rock Creek in Montana and added by Bnewell on June 26, 2011

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