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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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Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Apr 12, 2015April 12th, 2015, 2:13 pm EDT
I tied a dozen of these this afternoon, half with the egg sack and half without. I tied them based on a email I got from Louis. You know how that goes; I tried to tie his fly from words so it may not look anything like his fly. Actually that is okay as long as you think it will catch fish and/or it does resemble the naturals. The LJ is still at 900 cfs so I'm thinking it is not safe to wade. I'm going up to Spring Creek tomorrow and will stay over and if the LJ drops to 400 or so I'll drive down there for two days. If not I guess I'll stay at SC and also try Bald Eagle Creek.





Catskill fly fisher for fifty-five years.
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Apr 12, 2015April 12th, 2015, 8:06 pm EDT
Cool looking flies, Matt. Nicely tied as well. Interesting use of gray partridge.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Apr 13, 2015April 13th, 2015, 6:43 am EDT
Yes! Those look like they'll work just fine...We'll need a fishing report.

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
MiltRPowell
Posts: 106
MiltRPowell on Apr 13, 2015April 13th, 2015, 8:01 am EDT
Spence, Maybe you can get a fishing report by way of smoke signals, the way they did when you's first started out this fly fishing. Remember when Spence?
Na just kidding, but he said, he was going. Ya can bet he took that pattern with him, he's most likely gently laying one of those puppies on the waters as I am writing this. Huh?????
I'll tune in later, bet there's a report......
flyfishingthecreekM.R.P.
MiltRPowell
Posts: 106
MiltRPowell on Apr 13, 2015April 13th, 2015, 8:39 am EDT
Oh, ( Interesting use of gray partridge.)
Yes, I agree, I checked them out some more.
Back in my spinner days, I use to fish a small hand made spinner. White with black dots on blade, with the tail done in that. The partridge pretty much all over the treble hook. Worked very well, brown's & brook's.... Nice looking flies.. He should do well... I's be thinking...But as Spence stated, We'll need a fishing report...Hope the wind isn't blowing like it is around here today in N.Y.

flyfishingthecreekM.R.P.
Tctrout
Posts: 28
Tctrout on Apr 25, 2015April 25th, 2015, 12:13 pm EDT
Great looking patterns, and I also tie a lot both with and w/o the egg sack at the back. Just curious: Is the partridge more for us or the fish?

TC
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Apr 25, 2015April 25th, 2015, 12:46 pm EDT
Tctrout,

Is the partridge more for us or the fish?


Funny you should ask as I asked another fellow on this Forum how he tied the Grannom adult and he send me a PM, with no picture, that said "the wing I favor is wild mallard medium dun color". Well when I saw the words wild mallard for some unknown reason I immediately thought of the barred black and white flank feathers on mallards (kind of like the lemon woodduck beige and brown flank feathers)

There is also a very strong Grannom emergence on the Beaverkill (not to be confused with the Apple Caddis also on many Catskill waters) That Grannom has a mottled gray wing with some light veining and I mistakenly assumed the gray mallard flank feathers were an addition, by my friend, to the medium dun CDC. As it turns out he did not mean that but I like the effect (BTW it isn't grey partridge but actually a clump of teal flank feathers) If nothing else it will probably help me to see it on riffly water.
Catskill fly fisher for fifty-five years.
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Apr 26, 2015April 26th, 2015, 9:59 pm EDT
Ah, I knew it was one or the other Matt. One of the problems with using solid colors for wings and shucks is that neither are often solid in nature. I've found the use of duck or partridge to add a little speckling is more effective than using Z-Lon or CDC by itself for most patterns. Waterfowl is a better choice than upland bird feathers for drys. I also like the way you put it on top rather than under. IMO, makes the patterning more subtle (again like the natural) when seen from below with the trout's POV.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman
Byhaugh
Hawaii

Posts: 56
Byhaugh on Mar 9, 2016March 9th, 2016, 12:12 pm EST
Nice flies. I take it they are basically a CDC pattern? Maybe I missed it, what is the body dubbing.
Thanks
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Mar 11, 2016March 11th, 2016, 12:42 am EST
The body is charcoal gray rough rabbit.
Catskill fly fisher for fifty-five years.

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