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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 on July 28th, 2019 and added to on July 30th, 2019.

Recent Discussions of this Nymph

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

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