Header image
Enter a name
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.

A trackless paradise two days deep in the Yellowstone backcountry From Mystery Creek # 218 in Wyoming

Stream photos

Featured on the forum
Re: Trico emergers
In the Mayfly Genus Tricorythodes by Bwoklink (Martinlf replied)
Re: Trico Tips
In the Mayfly Genus Tricorythodes by Martinlf
Re: UV spectrum and trout
In General Discussion by Martinlf
Re: closing the gender gap in flyfishing
In General Discussion by Konchu (Smallflyguy replied)
Re: Fishing Kupa River, Slovenia
In Fishing Reports by Slocum (Fish1 replied)
Limnephilidae (Giant Sedges) Caddisfly LarvaLimnephilidae (Giant Sedges) Caddisfly Larva
Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

  1. Troutnut Forum
    2. ›
  2. Fly Hatch Talk > Discuss Animalia

  1. Troutnut Forum
    2. ›
  2. Fly Hatch Talk > Discuss Animalia

You can create new topics in this section from each hatch's page in the insect section.
Topic
Replies
Last Reply
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
Glossosoma intermedium or nigrior
Jun 30, 2020 by Wiflyfisher in genus Glossosoma
5
Jul 31, 2020
by Creno
Tiny Black Caddis hatch, late fall - Nov 26 to be exact_ Spring Creek Southern MO [Page: 1, 2]
Dec 29, 2010 by Dai_sca in family Hydroptilidae
21
Dec 10, 2019
by Pdcox
Best time of year to harvest hellgramites
Jun 27, 2008 by Rblouser in family Corydalidae
13
Jun 11, 2019
by Sapperstyle
Differences I'm dying to know about
Jul 8, 2018 by Reify in genus Tricorythodes
2
Jul 9, 2018
by Martinlf
Little Black Stonefly pics
Apr 14, 2018 by Adirman in species Allocapnia granulata
12
Apr 21, 2018
by Martinlf
Emerger pictures anyone???
Mar 30, 2010 by Hellgie in genus Chimarra
5
Apr 9, 2018
by Gazzer
getting midges down
Dec 8, 2007 by CaseyP in family Chironomidae
9
Jan 17, 2018
by Ummm
Mayfiles other than Callibaetis
Jan 15, 2018 by Royal_Coach in genus Callibaetis
1
Jan 15, 2018
by Millcreek
Polymitarcyidae Question
Jun 22, 2017 by Steamntrout in species Ephoron album
1
Jun 22, 2017
by Crepuscular
Steamntrout
Jun 14, 2017 by Steamntrout in species Leptophlebia nebulosa
0
Clinger nymphs are shaped that way to hang in really fast currents. Really? Featured Topic
Feb 23, 2013 by Entoman in genus Rhithrogena
14
Jun 14, 2017
by Steamntrout
High Water
Apr 13, 2007 by Dbar in species Pteronarcys californica
8
Jun 11, 2017
by Ricofreako
Grannom vs Apple Caddis
Apr 26, 2010 by Walleye in order Trichoptera
7
Jan 10, 2017
by Afishinado
Brachycentrus americanus on the Lower Sacramento River California
Oct 29, 2016 by Troutguide in species Brachycentrus americanus
0
Hex hatch water temperature range?
May 23, 2014 by NEMatt in species Hexagenia limbata
4
Jul 5, 2016
by Bombillo
What is the big DEAL about the HEX? [Page: 1, 2]
Jun 21, 2006 by Spinner in species Hexagenia limbata
21
Jul 5, 2016
by Bombillo
Salmonfly question for you westerners
Jul 30, 2006 by Troutnut in species Pteronarcys californica
7
Jun 4, 2016
by Chipper
Arctopsyche grandis in waterton canyon
May 16, 2016 by Krikut in species Arctopsyche grandis
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
Fly choice during an Ephoron hatch
Aug 3, 2007 by Jmd123 in genus Ephoron
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
Clusters of midges and the Griffith's Gnat [Page: 1, 2]
Apr 10, 2007 by Troutnut in family Chironomidae
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
Thank you for the nice quality pictures.
Sep 22, 2014 by Mushroom in family Simuliidae
1
Sep 23, 2014
by Troutnut
Polycentropodidae or?
Oct 1, 2013 by LowBudget in family Polycentropodidae
14
Jul 24, 2014
by Crepuscular
Arctopsyche Grandis
Jul 2, 2014 by Epeorus in genus Arctopsyche
6
Jul 6, 2014
by Entoman
So is Ep Infrequens now known as Ep Dorothea? [Page: 1, 2]
Feb 17, 2008 by Wbranch in species Ephemerella dorothea infrequens
20
Jul 1, 2014
by Crepuscular
Predicting a hatch?
Apr 2, 2008 by U2ill in order Ephemeroptera
2
Jun 24, 2014
by TNEAL
Moved from genus level to N. albida
Jun 15, 2014 by Entoman in species Nectopsyche albida
0
Green Drake Hatch Temp?
May 23, 2014 by NEMatt in species Ephemera guttulata
1
May 23, 2014
by Entoman
Mayfly larvae -wigglers preservation as bait [Page: 1, 2]
Jun 2, 2007 by Teacherprea in species Hexagenia limbata
20
Apr 29, 2014
by TNEAL
Drunella cornuta on the Brodhead at Stroudsburg PA
Apr 21, 2014 by Reify in species Drunella cornuta
11
Apr 24, 2014
by Brookyman
Life cycles and hatches
Mar 7, 2014 by Leahdanger in family Chironomidae
3
Mar 9, 2014
by Entoman
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy