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.

Waterfalls over smooth bedrock above Titcomb Lakes

From Titcomb Basin in Wyoming

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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Bowman Creek

Closeup insects by Bnewell from Bowman Creek in Montana

Drunella pelosa Mayfly Nymph

1 Picture

Drunella pelosa (Ephemerellidae) Mayfly Nymph from Bowman Creek in Montana

This is a common species in states like Oregon and Washington but this is only the second time it has been collected in Montana.

Collected June 19, 2007 from Bowman Creek in Montana

Added by Bnewell on June 26, 2011

Collected June 19, 2007 from Bowman Creek in Montana and added by Bnewell on June 26, 2011

Hex MayfliesHexagenia limbata

Trout Streams › Montana › Bowman Creek