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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.

Mayfly
santacruz argentina

Posts: 3
Mayfly on Jun 11, 2009June 11th, 2009, 5:49 am EDT
Good Friends!
I need to know since(as,like) I can ask for authorization to use the images of entomology that estan in this page.
Since I am preparing chats of sports fishing and environmental education to give in the schools children from 5 to 12 years of age.
Thank you!
Entomology
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Jun 12, 2009June 12th, 2009, 2:40 am EDT
Jason (Troutnut) would be the one to ask. This is his site. Send him a personal message so he won't miss the question. You can do this by clicking on his alias (Troutnut) in a thread. See the one below entitled "A bit off topic: Introducing Taiga the puppy!" You'll see the reply notice when there's a blinking orange envelope in the upper right hand side of the page. Then click on "my home" and you'll see "Latest Private Messages Received." I don't think he'll mind, but you'll have to ask him to be sure.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Troutnut
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Administrator
Bellevue, WA

Posts: 2758
Troutnut on Jun 13, 2009June 13th, 2009, 5:27 pm EDT
You are welcome to use my pictures for environmental education.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Mayfly
santacruz argentina

Posts: 3
Mayfly on Jun 20, 2009June 20th, 2009, 12:55 am EDT
Thank you Friend!
I believe that it(he,she) is of estimating his(her,your) generosity!
When it(he,she) has images of the activities they are going to be sent the pupils will be very interested in being able to enjoy the classes of entomoligia and environmental education thanks to his(her,your) contribution!!!!!
Any consultation on the fishing in the south of the Argentine patagonia does not hesitate to do it, here I will offer to him(her) my help!
Entomology
Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197
Shawnny3 on Jul 30, 2011July 30th, 2011, 5:16 pm EDT
I love these online translators. Better than comedy.

-Shawn
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Jul 30, 2011July 30th, 2011, 5:22 pm EDT

Shawn -

Is that what that is? Hilarious! Not you Mayfly the translator!

Kurt
"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

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