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Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Male Ephemerella aurivillii Mayfly Spinner Pictures

This spinner molted from a dun after being photographed, and the dun form is listed here as a separate specimen. I've rarely found a more cooperative and photogenic mayfly.

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 Spinner

This is one of my favorite mayfly photo sets
10 replies
Posted by Troutnut on Jul 16, 2011
Last reply on Jul 17, 2011 by Oldredbarn
Gotta love Ephemerella spinners! I was thrilled that this one emerged and molted intact, and then behaved so well in front of the camera.

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