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.

For how many years, I wonder, have these huge slabs of rock sheltered wild brook trout?

From Mystery Creek # 89 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.

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Stonefly Genus Isocapnia (Little Snowflies)

Genus Range

source

Map of specific collection sites

Specimens of the Stonefly Genus Isocapnia

1 Female Adult

Female Isocapnia hyalita (Little Snowfly) Stonefly Adult

1 Picture

Female Isocapnia hyalita (Capniidae) (Little Snowfly) Stonefly Adult from the Touchet River in Washington

Collected April 20, 2012 from the Touchet River in Washington

Added by Bnewell on April 26, 2012

Collected April 20, 2012 from the Touchet River in Washington and added by Bnewell on April 26, 2012

1 Nymph

Isocapnia integra (Little Snowfly) Stonefly Nymph

1 Picture

Isocapnia integra (Capniidae) (Little Snowfly) Stonefly Nymph from the Flathead River-upper in Montana

Collected December 18, 2009 from the Flathead River-upper in Montana

Added by Bnewell on June 26, 2011

Collected December 18, 2009 from the Flathead River-upper in Montana and added by Bnewell on June 26, 2011

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