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

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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.

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Chloroperlidae

Sweltsa (Sallfly) Stonefly Nymph

6 Pictures

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Delaware River in New York

Collected May 12, 2007 from the Delaware River in New York

Added by Troutnut on May 18, 2007

Collected May 12, 2007 from the Delaware River in New York and added by Troutnut on May 18, 2007

Earlfishman
Posts: 17

Earlfishman on May 19, 2007May 19th, 2007, 7:49 am EDT

Jason,

This one looks more like a Chloroperlidae than Capniid. Take a look at the glossae and paraglossae, the length of the cerci, and the wingpads. It's probably Sweltsa sp. based on the hairy chest/shoulders/armpits and the hairs on the cerci.

Earl

Hex MayfliesHexagenia limbata

Troutnut Forum › Specimen Discussion › Chloroperlidae