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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.

Male Drunella spinifera (Western Slate Olive Dun) Mayfly Nymph Pictures

In a bucket full of Drunella coloradensis nymphs, this was the only specimen of Drunella spinifera (and the first one I've found anywhere).

This mayfly was collected from Mystery Creek #199 in Washington on July 28th, 2019 and added to Troutnut.com by Troutnut on July 30th, 2019.

Discussions of this Nymph

Another horned critter
Posted by Martinlf on Aug 17, 2020
Last reply on Aug 17, 2020 by Martinlf
Woah! Another cool drunella. So much out there we often don't have a clue about. Thanks, Jason.

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