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.

This little pool in update New York is enjoyed by many tourists every day, and it still holds a few trout -- stockers mostly, but you can't complain about the setting!

From Mystery Creek # 62 in New York

Stream photos

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Zapada cinctipes (Tiny Winter Black) Stonefly Nymph Zapada cinctipes (Tiny Winter Black) Stonefly Nymph

Dorsal view of a Zapada cinctipes (Nemouridae) (Tiny Winter Black) Stonefly Nymph from the Yakima River in Washington

Nymphs of this species were fairly common in late-winter kick net samples from the upper Yakima River. Although I could not find a key to species of Zapada nymphs, a revision of the Nemouridae family by Baumann (1975) includes the following helpful sentence: "2 cervical gills on each side of midline, 1 arising inside and 1 outside of lateral cervical sclerites, usually single and elongate, sometimes constricted but with 3 or 4 branches arising beyond gill base in Zapada cinctipes." This specimen clearly has the branches and is within the range of that species.

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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.

Mayfly Dun on Website

Doyle
East Wenatchee, Washington

Posts: 2

Doyle on Jun 28, 2011June 28th, 2011, 6:08 am EDT

Can anyone tell me the subspecie of the first (top) Mayfly Dun on the webpage "Mayfly Dun to Spinner Illustrated"? I'm kinda new at this, so any help would be appreciated.

Thanks,
Doyle

Oldredbarn

Novi, MI

Posts: 2600

Oldredbarn on Jun 28, 2011June 28th, 2011, 6:52 am EDT

Jason states there that its the Leptophlebia cupida..."Black Quill" or "Borchers Dun"...etc.

"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

Doyle
East Wenatchee, Washington

Posts: 2

Doyle on Jun 29, 2011June 29th, 2011, 7:22 am EDT

Thanks oldredbarn. I guess I should read a little closer from now on.

Thanks.

Oldredbarn

Novi, MI

Posts: 2600

Oldredbarn on Jun 29, 2011June 29th, 2011, 9:27 am EDT

That's ok! If you look at the few photos showing today at the top of the "Most Recent Posts" the same fly is resting there next to the seam of my waders, which unfortunately the auto focus liked better than the fly, and we had another recent post where someone was asking about a fly that was also L cupida...When they are around the fish enjoy them because they are a nice sized mouthful. If you have a Borchers Parachute say size 10 or 12 you are in the ballpark and should have some fun.

Spence