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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Coleoptera (Beetle) Insect Larva Coleoptera (Beetle) Insect Larva

Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington

6 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.

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.

Apple Caddisflies

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

Caddisfly Species Brachycentrus appalachia

These are pretty much always called Apple Caddisflies.

This is a "wind-shield wiper" hatch -- it slows traffic on the freeway which winds through the valleys of several famous trout streams in the Catskills, which have thick hatches of the Apple Caddis in the Spring.

The common name comes from the bright apple-green color of its abdomen.

Brachycentrus appalachia (Apple Caddis) Caddisfly Adult

13 Pictures

Lateral view of a Brachycentrus appalachia (Brachycentridae) (Apple Caddis) Caddisfly Adult from the West Branch of the Delaware River in New York

I captured this specimen in the same color as this photograph, during its egg-laying flight. The emergers are much lighter.

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

Added by Troutnut on May 18, 2007

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

See 2 more specimens...