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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.

Updates from November 12, 2011

Closeup insects by Entoman from the Fall River in California

Ephemerella excrucians (Pale Morning Dun) Mayfly Nymph
This mature nymph is associated with the dun from the same location and date posted on this hatch page. Size 10mm.
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