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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.

Inlet of Upper Titcomb Lake From Titcomb Basin in Wyoming

Stream photos

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Female Skwala (Large Springfly) Stonefly AdultFemale Skwala (Large Springfly) Stonefly Adult
Lateral view of a Female Skwala (Perlodidae) (Large Springfly) Stonefly Adult from Mystery Creek #308 in Washington
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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.
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Updates from April 24, 2012

Updates from April 24, 2012

Closeup insects by Bnewell from the Touchet River in Washington

Male Ameletus vernalis (Brown Dun) Mayfly Spinner
1 Picture
Male Ameletus vernalis (Ameletidae) (Brown Dun) Mayfly Spinner from the Touchet River in Washington
Added by Bnewell on April 26, 2012
Collected April 24, 2012 from the Touchet River in Washington and added by Bnewell on April 26, 2012
Male Ameletus vernalis (Brown Dun) Mayfly Dun
1 Picture
Male Ameletus vernalis (Ameletidae) (Brown Dun) Mayfly Dun from the Touchet River in Washington
Added by Bnewell on April 26, 2012
Collected April 24, 2012 from the Touchet River in Washington and added by Bnewell on April 26, 2012

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