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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 Grammotaulius betteni (Limnephilidae) (Northern Caddisfly) Caddisfly Larva from the Yakima River in Washington
This is a striking caddis larva with an interesting color pattern on the head. Here are some characteristics I was able to see under the microscope, but could not easily expose for a picture:
- The prosternal horn is present.
- The mandible is clearly toothed, not formed into a uniform scraper blade.
- The seems to be only 2 major setae on the ventral edge of the hind femur.
- Chloride epithelia seem to be absent from the dorsal side of any abdominal segments.
Based on these characteristics and the ones more easily visible from the pictures, this seems to be Grammotaulius. The key's description of the case is spot-on: "Case cylindrical, made of longitudinally arranged sedge or similar leaves," as is the description of the markings on the head, "Dorsum of head light brownish yellow with numerous discrete, small, dark spots." The spot pattern on the head is a very good match to figure 19.312 of Merritt R.W., Cummins, K.W., and Berg, M.B. (2019). The species ID is based on Grammotaulius betteni being the only species of this genus known in Washington state.
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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FC54
Reno NV

Posts: 2
FC54 on Nov 8, 2019November 8th, 2019, 11:10 am EST
Hello fellow fly fisherman, I am relatively new to fly fishing only been a few months. I started Nhymph fishing which is working well but I seem to always find that my top fly constantly gets tangled on the main tippet. My first fly is hung around 9" down and my second is 18" away. Your help and skills would be appreciated. Thanks Fred
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Nov 8, 2019November 8th, 2019, 7:30 pm EST
I'm not sure if you are using a dropper rig or two nymphs in a straight line. Dropper set-ups often get tangled. You can try tying a length of tippet onto the bend of the top fly with a clinch knot and then tying the second nymph to the end of that tippet. Also slow the casting stroke a bit to make sure the line has fully straightened out behind you before executing the forward cast so the flies will be in a straight line.
Catskill fly fisher for fifty-five years.
FC54
Reno NV

Posts: 2
FC54 on Nov 10, 2019November 10th, 2019, 1:40 am EST
Thanks Matt, I'llgive it a try today
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Nov 13, 2019November 13th, 2019, 2:35 am EST
Matt's advice, as always, is good. However, I also sometimes tie on a nymph, then thread about 18" of new tippet through the eye of that nymph, tie the new tippet to the eye of the nymph (I like the Double Davy for speed and strength for most of my fly knots), let the new tippet hang down, then tie another nymph (often smaller) to the end of the new tippet. Some call this an eye to eye tippet connection. The theory here is that the hook bend of the upper nymph is not impeded and a fish won't hit the tippet tied to the bend of the top nymph and miss the hook. I've caught plenty of fish with rigs tied the way Matt suggests, though, and I like its straight line profile and the way it casts. But I do mix it up some, often based on a whim, sometimes tying Matt's way, sometimes tying eye to eye. And this year I have been using droppers (created with a triple surgeon's knot) more and more for the same reason I'll tie eye to eye. Several of the Euro gurus really think that's the best way to go. It's hard to get anything more than anecdotal information on all of this, and personal preference. But this will give you a bit more to think about anyway. Like we need that. :)
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Afishinado
SE PA

Posts: 75
Afishinado on Nov 13, 2019November 13th, 2019, 11:01 pm EST
Tying your flies on droppers is nothing new. It was common practice for fishing wet flies back-in-the-day. I can say with confidence, I catch a lot more trout by tying on droppers rather than from the hook bend or eye. And tangling is not an issue.
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Nov 15, 2019November 15th, 2019, 12:51 am EST
FC54,

See, there are many ways to skin a cat. Try various methods and find out what works best for you.
Catskill fly fisher for fifty-five years.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Nov 19, 2019November 19th, 2019, 1:52 pm EST
Revisiting this I'm thinking your casting stroke may be what is leading to tangles. Try getting a smoother stroke, pausing enough on the back cast, and open your loops up a bit. That may help. I often rush my forward cast if I don't think to pause a bit more on the backcast. Try watching your backcast at times to see what that tells you. Or, if you fish with a buddy who is experienced ask him or her to watch your stroke some and give you feedback. So much of this just takes time, but getting more feedback can cut the learning curve some. As Matt says, finding what works best for you is the trick, and what is best for you might not be the same for others.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

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