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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Female Ephemerella invaria (Sulphur) Mayfly Dun Pictures

This mayfly was collected from unknown in Wisconsin on May 23rd, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Dun

Another sulphur for comment

1 replies

Posted by Martinlf on Aug 17, 2007

Last reply on Aug 21, 2007 by Gene

And this one, also from the midwest, is more green than the sulphurs I recall seeing this season. My limited experience in PA streams suggests that many, if not most, of the sulphurs here are best imitated by pale yellow, bright yellow, or orange bodies. Gene, and others, am I far off?