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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.

The Yakima River in Washington

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly LarvaLimnephilus (Summer Flier Sedge) Caddisfly Larva
Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River 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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  3. Site updates from June 15, 2010

Closeup insects by Bnewell from Miscellaneous Montana and the Flathead River in Montana

Chironomidae (Midge) True Fly Adult
1 Picture
Chironomidae (Midge) True Fly Adult from unknown in Montana
Midges of the family Chironomidae are probably the most widespread aquatic insect in the world.
Collected June 14, 2010 from unknown in Montana
Added by Bnewell on June 27, 2011
Collected June 14, 2010 from unknown in Montana and added by Bnewell on June 27, 2011
Perlidae (Golden Stone) Stonefly Nymph
2 Pictures
Perlidae (Golden Stone) Stonefly Nymph from the Flathead River-upper in Montana
This is a nymph that has recently molted thus has not yet acquired its normal coloration.
Added by Bnewell on June 26, 2011
Collected June 14, 2010 from the Flathead River-upper in Montana and added by Bnewell on June 26, 2011

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