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.

I caught a nice brookie a few weeks earlier in this pool at the junction of a split channel in the stream. The huge fallen tree is great cover.

From the Mystery Creek # 23 in New York

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly Larva Limnephilus (Summer Flier Sedge) Caddisfly Larva

Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River in Washington

This seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.

7 Recently Added Photos

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.

Some neat new bugs today

Troutnut

Administrator
Bellevue, WA

Posts: 2758

Troutnut on Aug 23, 2006August 23rd, 2006, 5:20 pm EDT

I went fishing for a few hours yesterday and caught a few cool new bugs for the site. There's a little black caddis adult, a naturally crippled Isonychia bicolor spinner (check out the deformed wing -- it's cool), and a pretty Stenacron dun.

You can view them by going to the site homepage or the main "aquatic insects" section and looking at the "Recent Updates" list in the left column.

Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist