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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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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Dorsal view of a Baetis (Baetidae) (Blue-Winged Olive) Mayfly Nymph from Mongaup Creek in New York
Baetis7
MI

Posts: 17
Baetis7 on Aug 20, 2014August 20th, 2014, 9:08 am EDT
I have noticed a good amount of baetis nymph shucks tied with an orange antron or similar material. What do you folks think about the right color for a shuck?
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Aug 20, 2014August 20th, 2014, 10:49 am EDT
Yeah, LaFontaine liked to use orange wings on his emergers - his "Theory of Attraction" working there as opposed to imitation. The mysterious success of the color orange when incorporated in flies used during hatches of olive mayflies goes back many years. It was reported by English authors at least as far back as 80 years ago, perhaps more. In my experience, sometimes it seems to help - but usually not.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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