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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.

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.
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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You can create new topics in this section from each hatch's page in the insect section.
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4
Jul 5, 2016
by Bombillo
21
Jul 5, 2016
by Bombillo
20
Apr 29, 2014
by TNEAL
Hex Hatch 2012
Apr 15, 2012 by Hdhungryman in genus Hexagenia
5
Aug 12, 2012
by Taxon
Hexagenia orlando
Feb 29, 2008 by Curtis in genus Hexagenia
4
Mar 1, 2011
by Jmd123
Hex nymph behavior
Jun 18, 2006 by Millerpa in species Hexagenia limbata
9
Dec 4, 2008
by Beardius
2
Mar 20, 2007
by Taxon
Hex is next!
Jun 10, 2006 by AftonAngler in species Hexagenia limbata
0
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