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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.

Inlet of Upper Titcomb Lake From Titcomb Basin in Wyoming

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.
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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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  3. Mayfly hatch visible on doppler radar

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  3. Mayfly hatch visible on doppler radar

Reply
Ericd
Mpls, MN

Posts: 113
Ericd on Jun 10, 2010June 10th, 2010, 2:49 pm EDT
http://minnesota.publicradio.org/collections/special/columns/updraft/archive/2010/06/mayfly_hatch_visible_on_dopple.shtml

Which mayfly is this?
Dryfly
rochester mn

Posts: 133
Dryfly on Jun 10, 2010June 10th, 2010, 3:02 pm EDT
Hex

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