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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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.

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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.

Freestone Mixed stream

Jcatt72 has attached these 3 pictures to aid in identification. The message is below.

Jcatt72
Centre County, Pennsylvania

Posts: 1

Jcatt72 on Jun 22, 2012June 22nd, 2012, 2:46 pm EDT

Have a few pics of some bugs that were coming off the stream here in June.

PaulRoberts

Colorado

Posts: 1776

PaulRoberts on Jun 23, 2012June 23rd, 2012, 5:24 am EDT

E varia on top. And a male Baetid below.

Entoman

Northern CA & ID

Posts: 2604

Entoman on Jun 23, 2012June 23rd, 2012, 9:44 am EDT

E varia on top. And a male Baetid below.

I agree. The eyes look to be turbinate on the latter, which would preclude the ephemerellids. As to the former, definitely Ephemera. As to species, I'd be interested in Gonzo's take as there are several similar ones in that region.

"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

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Jun 23, 2012June 23rd, 2012, 11:06 am EDT