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.

Outlet stream of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Female Skwala (Large Springfly) Stonefly Adult Female Skwala (Large Springfly) Stonefly Adult

Lateral view of a Female Skwala (Perlodidae) (Large Springfly) Stonefly Adult from Mystery Creek #308 in Washington

9 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.

Female Baetisca laurentina (Armored Mayfly) Mayfly Spinner Pictures

Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Bois Brule River in Wisconsin

Lateral view of a Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Bois Brule River in Wisconsin

Ventral view of a Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Bois Brule River in Wisconsin

This mayfly was collected from the Bois Brule River in Wisconsin on June 1st, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.

Discussions of this Spinner

hooks

5 replies

Posted by Flytyer0423 on Aug 20, 2009

Last reply on Oct 1, 2009 by Flyguy212

Jason-

i was wondering if you know about what sized hook these go ono've been tring to make a realistic mayfly for all the mayflies you have on here and i cant find any patterns for this fly so i have nothing to go off of

Thanks-
NatureBoy

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