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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.

Caddisfly Species Brachycentrus appalachia (Apple Caddis)

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.

Where & when

Time of year : May

This species produces intense, reliable hatches in the Catskills sometime in between the peaks of Ephemerella subvaria (Hendricksons) and Ephemerella invaria (Sulphurs).

Special thanks to Lloyd Gonzales, author of the excellent new book Fly-Fishing Pressured Water, for helping to sort out the Brachycentrus species and common names.

Specimens of the Caddisfly Species Brachycentrus appalachia

3 Adults

3 Underwater Pictures of Brachycentrus appalachia Caddisflies:

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Species Range
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