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.
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Male Ephemerella aurivillii Mayfly Dun Pictures
This dun hatched in my aquarium on July 16th from an easily identified nymph collected on July 10th, and it molted into a spinner after I photographed it. The beautiful spinner form is listed as separate specimen. I forgot to photograph the dun with the ruler, but naturally his size is pretty similar to what it was as a spinner.
This mayfly was collected from Nome Creek in Alaska on July 10th, 2011 and added to Troutnut.com by Troutnut on July 16th, 2011.
Discussions of this Dun
Borealis Dun (or whatever you decide to call it)
Posted by Entoman on Jul 16, 2011
Last reply on Jul 16, 2011 by Entoman
Wow, that's our boy. Definitely pink, eh? Answers a lot of questions for out West.:)