Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
Featured on the forum
This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and
fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or
support the project for an enhanced experience here.
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.
Start a Discussion of Nymph
Male Drunella spinifera (Western Slate Olive Dun) Mayfly Nymph Pictures
Collection details
Location: Mystery Creek #199, Washington
Date: July 28th, 2019
Added to site: July 30th, 2019
Author: Troutnut
Date: July 28th, 2019
Added to site: July 30th, 2019
Author: Troutnut