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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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Possible ID
Apr 11, 2021 by Sreyadig in species Apobaetis futilis
1
Apr 11, 2021
by Taxon
Yea...
Oct 23, 2020 by Imaxfli in species Ephoron leukon
0
Trico emergers Featured Topic
Jul 14, 2018 by Bwoklink in genus Tricorythodes
6
Sep 11, 2020
by Martinlf
PMD Spinner - Egg sack color? [Page: 1, 2]
Jan 26, 2010 by Wbranch in species Ephemerella excrucians
20
Aug 18, 2020
by Troutnut
Trico Tips [Page: 1, 2, 3] Featured Topic
Jul 21, 2007 by Martinlf in genus Tricorythodes
50
Jul 31, 2020
by Martinlf
5
Jul 31, 2020
by Creno
13
Jun 11, 2019
by Sapperstyle
2
Jul 9, 2018
by Martinlf
12
Apr 21, 2018
by Martinlf
5
Apr 9, 2018
by Gazzer
getting midges down
Dec 8, 2007 by CaseyP in family Chironomidae
9
Jan 17, 2018
by Ummm
1
Jan 15, 2018
by Millcreek
1
Jun 22, 2017
by Crepuscular
Steamntrout
Jun 14, 2017 by Steamntrout in species Leptophlebia nebulosa
0
High Water
Apr 13, 2007 by Dbar in species Pteronarcys californica
8
Jun 11, 2017
by Ricofreako
7
Jan 10, 2017
by Afishinado
4
Jul 5, 2016
by Bombillo
21
Jul 5, 2016
by Bombillo
1
May 17, 2016
by Bnorikane
grannom caddis [Page: 1, 2, 3] Featured Topic
Sep 26, 2006 by Goose in genus Brachycentrus
56
Feb 1, 2016
by Martinlf
13
Jan 31, 2016
by Martinlf
Caddis Pupae Question [Page: 1, 2, 3] Featured Topic
Dec 6, 2010 by PaulRoberts in order Trichoptera
40
Nov 23, 2015
by Martinlf
35
May 22, 2015
by Taxon
ovipositing?
Mar 4, 2015 by Btopbuckeye in genus Chimarra
6
Mar 6, 2015
by Crepuscular
rotunda
Jan 25, 2015 by CharlieBugs in species Ephemerella invaria
8
Feb 1, 2015
by Gutcutter
Midges
Oct 24, 2006 by Goose in family Chironomidae
10
Jan 14, 2015
by Martinlf
1
Sep 23, 2014
by Troutnut
14
Jul 24, 2014
by Crepuscular
Arctopsyche Grandis
Jul 2, 2014 by Epeorus in genus Arctopsyche
6
Jul 6, 2014
by Entoman
Predicting a hatch?
Apr 2, 2008 by U2ill in order Ephemeroptera
2
Jun 24, 2014
by TNEAL
1
May 23, 2014
by Entoman
20
Apr 29, 2014
by TNEAL
3
Mar 9, 2014
by Entoman
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