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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.
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.

Jesse has attached these 4 pictures. The message is below.
Jesse
Jesse's profile picture
Posts: 378
Jesse on Feb 8, 2012February 8th, 2012, 8:48 am EST
Some scenery and fish shots from the last week in Montana. Hope you guys enjoy!
Most of us fish our whole lives..not knowing its not the fish that we are after.
http://www.filingoflyfishing.com
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Feb 8, 2012February 8th, 2012, 9:09 am EST
Nice scenery and fish, Jess, as usual from you! That one you're holding has particularly pretty orange spots.
"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
PaulRoberts
PaulRoberts's profile picture
Colorado

Posts: 1776
PaulRoberts on Feb 8, 2012February 8th, 2012, 9:16 am EST
Beautiful images Jesse. That brown at streamside shows how beautiful those things are. Just a great shot. I look at such things and think there either IS a god, or... I'm deeply programmed to fall in love with such things.
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Feb 8, 2012February 8th, 2012, 11:03 am EST
Kurt, Paul, Jess,


As much as I love "natives", my world would be a lot less wonderful, if those old boys hadn't imported old von Behr back in the day...They look so natural where they are, there in Jesse's pics.

You know, Jess, you are stoking our cabin fever here...:) Those fish look so healthy out your way...You've done it now kid! I'm walking in to the next office right now and declaring to the boss (my wife) I'm planning a trip back to Montana and she's going to hunt you down and beat you with a stick...:)

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
Motrout
Motrout's profile picture
Posts: 319
Motrout on Feb 8, 2012February 8th, 2012, 11:13 am EST
Awesome pictures man!
"I don't know what fly fishing teaches us, but I think it's something we need to know."-John Gierach
http://fishingintheozarks.blogspot.com/
Falsifly
Falsifly's profile picture
Hayward, WI.

Posts: 660
Falsifly on Feb 8, 2012February 8th, 2012, 11:40 am EST
I'm walking in to the next office right now and declaring to the boss (my wife) I'm planning a trip back to Montana and she's going to hunt you down and beat you with a stick...:)


Spence, if by "stick" you mean fly rod, I would say that your wife and many of us would have a hard time beating Jesse, by the looks of those pictures.
Falsifly
When asked what I just caught that monster on I showed him. He put on his magnifiers and said, "I can't believe they can see that."
GldstrmSam
GldstrmSam's profile picture
Fairbanks, Alaska

Posts: 212
GldstrmSam on Feb 8, 2012February 8th, 2012, 2:51 pm EST
You're killing me!!!
There is no greater fan of fly fishing than the worm. ~Patrick F. McManus
Pryal74
Pryal74's profile picture
Escanaba, MI

Posts: 168
Pryal74 on Feb 8, 2012February 8th, 2012, 8:56 pm EST
Fantastic brown!
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Feb 9, 2012February 9th, 2012, 5:18 am EST
Spence, if by "stick" you mean fly rod, I would say that your wife and many of us would have a hard time beating Jesse, by the looks of those pictures.


:) All I'm saying Allan is, if Jess sees a rather attractive, dark-haired, curly headed, mid 50's, of Italian decent, woman heading in his direction, he'd better run...Bigger men than Jess rue the day they failed to heed this advice...:) Her grandmother ran an Italian restaurant in Cortland NY and made her own pasta...If she's carrying her grandmother's old rolling pin, my advice to Jess, "Drop the rod boy! and run like hell!"...;)

Dispite a few contusions, when all is going well, I eat like a prince ;)!

Spence

He's actually safe for now since I haven't found the nerve, I mean the right moment, to break the news yet that I'm planning another trip west. Considering I tend to the smart-assed side of the scales, it's a miracle I don't have a nervous tic...

Actually, all kidding aside she's a sweet-heart...I should be ashamed of myself for being so spoiled. if I showed her Jess's pics she'd want to tag along...She's been on me for years to take her to Montana.
"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
Feathers5
Posts: 287
Feathers5 on Feb 9, 2012February 9th, 2012, 5:21 am EST
jesse, stop it you're making me feel bad. nah, just kidding, keep 'em coming.
bruce
Gutcutter
Gutcutter's profile picture
Pennsylvania

Posts: 470
Gutcutter on Feb 9, 2012February 9th, 2012, 4:05 pm EST
Hey kid!
Don't ever graduate. Keep posting the fish porn :)
All men who fish may in turn be divided into two parts: those who fish for trout and those who don't. Trout fishermen are a race apart: they are a dedicated crew- indolent, improvident, and quietly mad.

-Robert Traver, Trout Madness
Jesse
Jesse's profile picture
Posts: 378
Jesse on Feb 9, 2012February 9th, 2012, 7:44 pm EST
I honestly love sharing my photos with you guys, but your all way to generous towards me, im blushing ;) Spence, im mostly italian and i can NOT wait to find a great italian girl to hold the house down when im shredding, so bring her on haha. All of you are funny, thanks guys ill do my best to have some more pictures for you soon!
Most of us fish our whole lives..not knowing its not the fish that we are after.
http://www.filingoflyfishing.com

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