**Female Ephemera varia (Yellow Drake) Mayfly Spinner Pictures**

Mayflies

Caddisflies

Stoneflies

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Ephemeridae (Hexes and Big Drakes)

» Genus Ephemera

» Species varia (Yellow Drake)

I found this female spinner ovipositing in a small stream. She came along while I was playing a trout -- every good bug seemed to do that last night! I didn't have my bug net, so I caught the trout in my landing net, released the trout, and caught the mayfly in my landing net. Her wing got a bit messed up from that.

This mayfly was collected from the northeastern United States on July 7th, 2006 and added to Troutnut.com on July 8th, 2006.

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CameraCanon EOS 20D

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CameraCanon EOS 20D

View Full Size (2.7X larger)

CameraCanon EOS 20D

View Full Size (2.7X larger)

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CameraCanon EOS 20D

View Full Size (2.7X larger)

CameraCanon EOS 20D

View Full Size (2.7X larger)

CameraCanon EOS 20D

Recent Discussions of this Spinner

Surprising Length 3 Replies »

Posted by Taxon on Jul 10, 2006

Last reply on Sep 13, 2006 by GONZO

Not sure who (originally) came up with a 13-16 mm. length range for Ephemera varia spinners, but I'm suspecting each subsequent author must have just parroted it. Your specimen appears to be 19 mm. in length, and there is certainly no doubt concerning its identity.

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