**Mayfly Species Ephoron leukon (White Fly)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Polymitarcyidae (White Flies)

» Genus Ephoron (White Flies)

» Species leukon (White Fly)

Common Names

Match	Common Name
	White Fly
	White Fly
	White Drake
	White Drake
	White Miller

See the main Ephoron page for details about this species, which is not known to differ in any important ways (besides location) from the other species.

On page 243 of Hatches II there is a passage from an 1802 speech before the American Philosophical Society in which this mayfly was introduced to science. It was the first mayfly species described in the United States, so it is ironic that it went unnoticed through so many of the early decades of our sport.

Where & When

Regions: East, Midwest

This is the only Ephoron species producing significant hatches in the East, and it overlaps with Ephoron album in the Midwest.

Recent Discussions of Ephoron leukon

Yea...

Posted by Imaxfli on Oct 23, 2020

Me too looking for photos or better yet, video of matching. These things seem to pop outa the water like no other ......

Reply Ephoron Leukon nymph photographs 11 Replies »

Posted by BFornadley on Feb 8, 2007

Last reply on Aug 14, 2007 by Gene

I need some help here. I have been looking all over the web for someone who may have taken some Ephoron Leukon nymph underwater (or out of water) photos.I saw the description here at "Troutnut.com" and advice that a smaller Brown Drake (Ephemera) nymph would be a good natural to use as a tying model but I really want to see the real thing. Does any body have any of these pics or can anyone definitively tell me where to look?

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Mayfly Species Ephoron leukon (White Fly)

Where & When

Recent Discussions of Ephoron leukon

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**Mayfly Species Ephoron leukon (White Fly)**