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.

Stream photos

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Perlodidae (Springflies and Yellow Stones) Stonefly Nymph Perlodidae (Springflies and Yellow Stones) Stonefly Nymph

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington

This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.

11 Recently Added Photos

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.

SALMONFLY FESTIVAL on the Madison River

Wiflyfisher

Wisconsin

Posts: 622

Wiflyfisher on Jun 4, 2016June 4th, 2016, 6:15 am EDT

SALMONFLY FESTIVAL

WHEN:
Sunday, June 26th, 2016
8:00am - 6:00pm

WHERE:
Campfire Lodge
155 Campfire Lane
West Yellowsone, Montana
"On the Madison River between Hebgen & Quake Lakes"

EVENT:
- Raffle & Silent Auction featuring original artwork from Bern Sundell
- Manufacturer Reps from Hardy, Montana Fly Co., Hodgeman, Fenwick and more
- Chat with expert fly fishing guides from the Madison River & YNP areas
- Fly casting demonstrations & instructions
- Fly tying demonstrations from fly fishing legends: Bob Jacklin, Dave Reese & Kelly Galloup
- Fly Rod Casting Competition
- World famous Ennis artists Bern & Lexi Sundell

Proceeds benefiting Warriors Afield & the Madison River Foundation

John S.
https://WiFlyFisher.com