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.

Featured forum activity

Re: UV spectrum and trout
In General Discussion by Martinlf

Re: closing the gender gap in flyfishing
In General Discussion by Konchu (Smallflyguy replied)

Re: Fishing Kupa River, Slovenia
In Fishing Reports by Slocum (Fish1 replied)

Re: Clinger nymphs are shaped that way to hang in really fast currents. Really?
In the Mayfly Genus Rhithrogena by Entoman (Steamntrout replied)

True Fly Family Dixidae

Larva & pupa biology

The larvae live and feed in the surface film. This explains why the one I collected and photographed was difficult to keep below the water for clear photos... it really wanted to ride up in the film.