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.
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This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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Mayfly Species Ephoron leukon (White Flies)
This page only contains pictures of specimens.To read about Ephoron leukon, visit Page 1.
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Discussions of Ephoron leukon
Yea...
Posted by Imaxfli on Oct 23, 2020
Last reply on Oct 23, 2020 by Imaxfli
Me too looking for photos or better yet, video of matching. These things seem to pop outa the water like no other ......
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?
Start a Discussion of Ephoron leukon
References
- Caucci, Al and Nastasi, Bob. 2004. Hatches II. The Lyons Press.
Mayfly Species Ephoron leukon (White Flies)
Species Range
Common Names
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Williamson, Hugh. 1802. On the Ephoron leukon, usually called the white fly of Passaick River. Transactions of the American Philosophical Society 5: 71-73.