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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Dorsal view of a Setvena wahkeena (Perlodidae) (Wahkeena Springfly) Stonefly Nymph from Mystery Creek #199 in Washington
As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
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.

Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Dec 18, 2011December 18th, 2011, 9:20 am EST
"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
Sayfu
Posts: 560
Sayfu on Dec 18, 2011December 18th, 2011, 11:23 am EST

Wow!..Looks beautiful. I use to live in a big home, made of limestone with a light blue streak through it that came from a quarry in Ohio. We had the home built, and I watched them drop off piles of these blue limestone rocks on our property, and the bricks were chiseled right on the property.
Troutnut
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Administrator
Bellevue, WA

Posts: 2758
Troutnut on Dec 18, 2011December 18th, 2011, 1:39 pm EST
I can put up a few hundred if you can manage the other $8,999,700!

When do we sign?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
GldstrmSam
GldstrmSam's profile picture
Fairbanks, Alaska

Posts: 212
GldstrmSam on Dec 20, 2011December 20th, 2011, 11:52 am EST
Sorry, but my first priority is to get a new rod and reel.

Looks AMAZING!. I'll need to come visit you whenever you get it.:)

There is no greater fan of fly fishing than the worm. ~Patrick F. McManus
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Dec 21, 2011December 21st, 2011, 4:43 am EST
When do we sign?


Let's see...Maybe sometime when you are back in the lower 48...:) Could be a while, no?

Spence

Merry Christmas Mr. & Mrs. TroutNut...I hope you two are hunkered down in your igloo till spring! Hey! Speaking of igloos. Have you ever read "Kabloona" by Gontran de Poncins? This might be a good distraction read so cabin fever won't set in...I should of got it for you as a Christmas gift.
"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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