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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 Ephemerella mucronata (Ephemerellidae) Mayfly Nymph from the Yakima River in Washington
This is an interesting one. Following the keys in Merritt R.W., Cummins, K.W., and Berg, M.B. (2019) and Jacobus et al. (2014), it keys clearly to Ephemerella. Jacobus et al provide a key to species, but some of the characteristics are tricky to interpret without illustrations. If I didn't make any mistakes, this one keys to Ephemerella mucronata, which has not previously been reported any closer to here than Montana and Alberta. The main character seems to fit well: "Abdominal terga with prominent, paired, subparallel, spiculate ridges." Several illustrations or descriptions of this holarctic species from the US and Europe seem to match, including the body length, tarsal claws and denticles, labial palp, and gill shapes. These sources include including Richard Allen's original description of this species in North America under the now-defunct name E. moffatae in Allen RK (1977) and the figures in this description of the species in Italy.
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.

Adirman
Adirman's profile picture
Monticello, NY

Posts: 479
Adirman on Apr 8, 2018April 8th, 2018, 3:22 am EDT
Hey guys,

Anybody use the new air lock thingamabobbers? Heard they’re an improvement upon the old as they’re easier to adjust, put on and take off and don’t crimp the line. What do you think?

Thanks
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Apr 8, 2018April 8th, 2018, 5:53 am EDT
Adirman wrote,

Anybody use the new air lock thingamabobbers? What do you think?


I first saw them a few years ago at the fly shop up while steelhead fishing. In my opinion they are the best indicator that I have ever used. I would never use another indicator. I only use indicators when steelheading.

I know from speaking with fly shop owners the Air Lock indicator is outselling the original Thingamabobber by a huge margin. They cost a bit more out preform the other style. No more leader butts looking like a corkscrew.
Catskill fly fisher for fifty-five years.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Apr 8, 2018April 8th, 2018, 8:53 am EDT
Based on Matt's recommendation a while back, I tried them. And I agree; they are far superior to Thingamabobbers. Just don't lose the little plastic nut. Or the washer.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Wbranch
Wbranch's profile picture
York & Starlight PA

Posts: 2635
Wbranch on Apr 8, 2018April 8th, 2018, 9:10 am EDT
Louis wrote;

Just don't lose the little plastic nut. Or the washer.


Yep, I have lost both at different times. It will still work if you lose the little rubber washer except now when you tighten the plastic nut the pressure will possibly squash the butt. If you lose the nut it is game over!

After losing one plastic nut into the creek I now apply it to the leader either before I even leave the car or somewhere on the bank just in case if I drop it I can hopefully find it. When steelheading I always carry 3 or 4 with me of various diameters and colors so if I drop the nut I can steal one from another indicator.
Catskill fly fisher for fifty-five years.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Apr 8, 2018April 8th, 2018, 9:11 am EDT
:)
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Strmanglr
Strmanglr's profile picture
Posts: 156
Strmanglr on Apr 9, 2018April 9th, 2018, 11:59 am EDT
I try not to use bobbers. :)
Wygnar
Kootenai National Forest

Posts: 1
Wygnar on Apr 11, 2018April 11th, 2018, 5:25 am EDT
As far as bobbers go... they're the cream of the crop.
Kootenai River Rat

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