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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

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.
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Posts: 6
Njflytyer on Jun 19, 2007June 19th, 2007, 12:17 pm EDT
Troutnut, Sounds like what I was trying to discribe, sorry I wasn't able to help. Just keep tying and fishing and enjoy yourself. Just by chance have you ever camped at Katskill Campground? I camped there from 1992 - 2000 and you remind me of a guy named Dave. I guess that showes my age. Good Luck on the rest of the season. I'm going to try and get up to the Ausable the beging of July and maybe catch the end of the drakes. Tight Lines, Chris
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Mar 15, 2008March 15th, 2008, 1:34 am EDT
There is a little town in NE PA, about twenty miles north of Carbondale, called Pleasant Mount. There is a PA state fish hatchery there that raises zillions of tiger muskies. There is also a large cylindrical fish tank with windows around it and a staircase to the top where you can go up and look into this tank. It has many species of game fish in it. The tiny little creek coming out of the hatchery does have wild brookies in it and I've been told it is the origin site of the Lackawaxen River but don't know that for a fact.
Catskill fly fisher for fifty-five years.
Posts: 1
Oatka1 on Apr 26, 2008April 26th, 2008, 1:33 pm EDT
Looks great but I would not try to false cast it too much as the wing will definitely cause the tippet to spin, especially if you are down to a 6x in low water conditions. The pattern looks like a good fast water low-light condition fly.
DayTripper's profile picture
Northern MI

Posts: 70
DayTripper on May 11, 2008May 11th, 2008, 10:24 am EDT
What an awesome fly! What did you use for the tails? Thanks!

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