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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.

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.

Autumn Mottled Sedges

This common name refers to only one genus. Click its scientific name to learn more.

Caddisfly Genus Neophylax

These are often called Autumn Mottled Sedges.
In his tables in Caddisflies, Gary LaFontaine ranks this as the fourth most important genus in the Pacific Northwest, where the main species are Neophylax rickeri and Neophylax splendens, but other species may be important across the country. Swisher and Richards in Selective Trout say that Neophylax fuscus is very important in the Midwest.
Lateral view of a Female Neophylax (Thremmatidae) (Autumn Mottled Sedge) Caddisfly Adult from Mystery Creek #43 in New York
This large caddisfly looks really neat close-up.
Artistic view of a Neophylax (Thremmatidae) (Autumn Mottled Sedge) Caddisfly Larva from Fall Creek in New York

References

Autumn Mottled Sedges

Scientific Name
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