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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Dorsal view of a Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington
This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.
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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Landscape & scenery photos from Willowemoc Creek

My friend Ian throws a fine cast in a section of river that's open year-round.  From the bridge, we spotted a very nice brown nymphing, but neither of us could get it to take.

From Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
This nice brown trout was so well-camouflaged at the bottom of the stream that he required a zoom lens, polarizing filter, and digital contrast enhancement to photograph.  My friend Ian and I watched from the bridge as this big trout fed on nymphs for several minutes, and then we took turns trying to catch it.  The selective brown practically laughed us off the river.
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York
Willowemoc Creek in New York

Closeup insects by Troutnut from Willowemoc Creek in New York

Lateral view of a Female Attenella margarita (Ephemerellidae) (Little Western Blue-Winged Olive) Mayfly Dun from Willowemoc Creek in New York
I found this dun unusually late in the year for anything in the Ephemerellidae family in the East. It's also small for that family.
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