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.

Stream photos

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Pycnopsyche guttifera (Great Autumn Brown Sedge) Caddisfly Larva Pycnopsyche guttifera (Great Autumn Brown Sedge) Caddisfly Larva

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington

This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.

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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.

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.

Baetis nymphs (real ones)

Shawnny3 has attached this picture. The message is below.

Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197

Shawnny3 on Jul 1, 2012July 1st, 2012, 6:38 pm EDT

I seined several nymphs in the drift tonight, but all of them hatched within minutes. If I got one into my vial, by the time I put another one in there, the previous one was ready to get back out. Maybe next time I'll take a vial of rubbing alcohol to dissuade them from hatching.

I got these three guys from kicking over some rocks. I can't verify that they are the same ones that were hatching today - I just picked ones that were most similar to those I saw actually hatch. I think a few of them actually did begin to hatch in the vial but didn't make it, so they might just be the same species as the ones producing the duns on the stream.

Also, notice how much better the pic is. I thought the photos I'd been sharing with you guys were taken with my wife's good macro lens, but I was mistaken (shows you how much I know about cameras). From now on, I think it should be easier to see detail in the images I post.

-Shawn

Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com