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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 Ephemerella mucronata (Ephemerellidae) Mayfly Nymph from the Yakima River in Washington
This is an interesting one. Following the keys in Merritt R.W., Cummins, K.W., and Berg, M.B. (2019) and Jacobus et al. (2014), it keys clearly to Ephemerella. Jacobus et al provide a key to species, but some of the characteristics are tricky to interpret without illustrations. If I didn't make any mistakes, this one keys to Ephemerella mucronata, which has not previously been reported any closer to here than Montana and Alberta. The main character seems to fit well: "Abdominal terga with prominent, paired, subparallel, spiculate ridges." Several illustrations or descriptions of this holarctic species from the US and Europe seem to match, including the body length, tarsal claws and denticles, labial palp, and gill shapes. These sources include including Richard Allen's original description of this species in North America under the now-defunct name E. moffatae in Allen RK (1977) and the figures in this description of the species in Italy.
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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Smuggler
Smuggler's profile picture
Lebanon, Pa

Posts: 16
Smuggler on Sep 30, 2015September 30th, 2015, 11:14 am EDT
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Making a trip to Roscoe NY next weekend, hopefully these will take since fish.
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Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Sep 30, 2015September 30th, 2015, 2:27 pm EDT
Good luck.
Catskill fly fisher for fifty-five years.
Crepuscular
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Boiling Springs, PA

Posts: 920
Crepuscular on Oct 1, 2015October 1st, 2015, 7:37 am EDT
nice Eric. If we get the weather they are predicting, it may be a little dicey up there...
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Oct 1, 2015October 1st, 2015, 4:30 pm EDT
The forecast for Saturday is a high of 48 degrees and a 60% chance of showers. More like steelhead weather than trout fishing. The flow was 1100 cfs yesterday and down to 315 cfs today.
Catskill fly fisher for fifty-five years.
Smuggler
Smuggler's profile picture
Lebanon, Pa

Posts: 16
Smuggler on Oct 2, 2015October 2nd, 2015, 5:34 am EDT
Oh I think we'll be ok :)
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Oldredbarn
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Novi, MI

Posts: 2600
Oldredbarn on Oct 2, 2015October 2nd, 2015, 6:10 am EDT
Eric,

To the other Eric (Crepuscular) and I, really bad weather just means bar food and beer, followed by all night tying sessions back in the room with more beer, and a lot of beer induced fishing BS. :)

"Yeah Spence, the way Datus Proper ties that wing is pretty and all, but too damn difficult. I just wrap the damn thing and snip off the bottom hackles
With scissors. Done!"

Spence replies, "Damn! Must be time to go to bed. These are our last two beers. Hell! It's almost time for Jonas to make our breakfast."

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
Smuggler
Smuggler's profile picture
Lebanon, Pa

Posts: 16
Smuggler on Oct 2, 2015October 2nd, 2015, 7:01 am EDT
Haha yep, that's all too familiar!

By Jonas I'm assuming you mean from the Feathered Hook? Isn't he just a peach? I love that shop.
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Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on Oct 2, 2015October 2nd, 2015, 7:37 am EDT

"Yeah Spence, the way Datus Proper ties that wing is pretty and all, but too damn difficult. I just wrap the damn thing and snip off the bottom hackles
With scissors. Done!"
e

I feel bad for the guy, someone should have given him a pair of scissors. ;)

Maybe I should write a book, "What the Drunk Fly Tier Said"...
Smuggler
Smuggler's profile picture
Lebanon, Pa

Posts: 16
Smuggler on Oct 2, 2015October 2nd, 2015, 7:54 am EDT
It would sell. ;)
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Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Oct 2, 2015October 2nd, 2015, 8:07 am EDT
Actually, you would of had to have been there. :)

Jonas...Yes. I have a friend that goes there from here every year for Drakes. He likes to tell people that if you did a police style line up of guys, including Jonas, and you asked which one's the fly shop owner or which one's heading off to jail tomorrow, Jonas would be the latter. :)

He is a lot of fun, and cooks up a mean breakfast! Even for this vegetarian...Though I was concerned when he said, just sit down and don't look at the stove...:)


Maybe I should write a book, "What the Drunk Fly Tier Said"...


Maybe there are times when you shouldn't be playing with scissors...You think? :)

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
Smuggler
Smuggler's profile picture
Lebanon, Pa

Posts: 16
Smuggler on Oct 2, 2015October 2nd, 2015, 9:18 am EDT
Haha! That made me laugh. He's something. I need to get back up there this year yet.
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