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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Mayfly Genus Afghanurus

Genus Range

source

Specimens of the Mayfly Genus Afghanurus

1 Male Dun

Male Afghanurus inconspicua Mayfly Dun

13 Pictures

This pretty little dun was part of a sparse midsummer evening hatch on a large Catskill river.

I could not identify it by following a species key step by step, but I tentatively keyed it to the genus Nixe, and based on distribution maps and physical descriptions the most likely species is Nixe inconspicua. (Edit in 2023: this species was recently moved from Nixe into Afghanurus.)

Collected July 13, 2005 from the East Branch of the Delaware River in New York

Added by Troutnut on April 14, 2006