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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.

Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Feb 10, 2013February 10th, 2013, 6:59 pm EST
Louis -

You're right, and it works on Chrome and Explorer too, so it's not a browser issue. Weird... Anyway, excellent article. That sure explains why I like them (pads) so much with my SA lines... Thanks for helping with my misconception about them!:)

Jonathon - You've had good luck with them, so why not?
"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
Feathers5
Posts: 287
Feathers5 on Feb 11, 2013February 11th, 2013, 5:51 am EST
Hi All
I realize this is meant as a bug site, but I'm just glad I can participate in a discussion that isn't laced with entomological terms. I again feel like a contributor.
Bruce
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Feb 11, 2013February 11th, 2013, 6:32 am EST
Fly line . . . laced with . . . you trying to be funny here, Bruce?

Kurt, always glad to be of assistance. ;>
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Lastchance
Portage, PA

Posts: 437
Lastchance on Feb 11, 2013February 11th, 2013, 12:15 pm EST
Fly line . . . laced with . . . you trying to be funny here, Bruce?

Kurt, always glad to be of assistance. ;>



Just trying to be congenial, Louis.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Feb 11, 2013February 11th, 2013, 12:39 pm EST
I know, I'm just picking. Chalk it up to cabin fever.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Feathers5
Posts: 287
Feathers5 on Feb 12, 2013February 12th, 2013, 4:34 am EST
Louis
As long as they float I fish 'em. I hope to see you for the olives.
Bruce
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Feb 12, 2013February 12th, 2013, 8:24 am EST
I'll be there, my friend, with sparkling clean lines lacing the stream.
"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 Feb 12, 2013February 12th, 2013, 12:08 pm EST
This broken line thread has a half life longer than U-235! so when might we expect to see Baetis on Spring Creek? I'm itching to go fishing.
Catskill fly fisher for fifty-five years.
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Feb 12, 2013February 12th, 2013, 4:29 pm EST
Yes, probably due to our lack of immediate fishing experiences to discuss. My first time up to SC last season was February 28, but hatches came early. It will be hard to predict, given our up and down temps this winter. Perhaps Shawn will quietly PM one of us (so as not to have the stream swarming with anglers the day we head up ;>).
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Feathers5
Posts: 287
Feathers5 on Feb 13, 2013February 13th, 2013, 5:08 am EST
I'll be there, my friend, with sparkling clean lines lacing the stream.


Louis
I'll be there with my cracked line,laced fishing shirts, and my all weather chapel veil whooping it up with you.
PS. I added chapel veil because I am Catholic and it's Ash Wednesday.

Bruce

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