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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.

Dorsal view of a Holocentropus (Polycentropodidae) Caddisfly Larva from the Yakima River in Washington
This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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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Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on May 29, 2016May 29th, 2016, 6:43 am EDT
Had a few good evening sessions with Litobrancha recurvata duns and spinners this past week. while many in Central PA were looking for a spot to fish amongst the hoards while chasing green drakes on Penns, I was alone with these massive flies, and rising wild fish.

Kschaefer3
Kschaefer3's profile picture
St. Paul, MN

Posts: 376
Kschaefer3 on May 30, 2016May 30th, 2016, 8:29 am EDT
Had a few good evening sessions with Litobrancha recurvata duns and spinners this past week. while many in Central PA were looking for a spot to fish amongst the hoards while chasing green drakes on Penns, I was alone with these massive flies, and rising wild fish.


Solitude, big bugs and rising fish...does it get any better?
Feathers5
Posts: 287
Feathers5 on May 31, 2016May 31st, 2016, 4:53 am EDT
Lucky are you!
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on May 31, 2016May 31st, 2016, 2:11 pm EDT
As always...Nice photo, sir! What we called here the Early Hex.

Spence
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood

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