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> Mayfly from Chalk stream

Stanislav	April 25th, 2007, 1:16 pm
Bulgaria Posts: 22	Hi, everybody a friend of mine make that pictures and we can`t identify the genus of that Mayfly...I`m sure there are people here that can help me and my friend. I`ll wait for your answers with impatience! Best regards: Stan
	The life is too short to fish a bad fly
Stanislav	April 30th, 2007, 3:13 am
Bulgaria Posts: 22	What`s happen can`t anybody help me with some kind of answer!!!
	The life is too short to fish a bad fly
Quillgordon	April 30th, 2007, 6:07 am
Schuylkill County, PA. Posts: 109	Stan, I don't think the photo tells enough by itself. I think including size,color, etc. would help our resident entomologists. I don't see a link to mayflies of Bulgaria, but I found this one for Greece. Maybe it will help others........ link to PDF paper on FAMU Good luck... Qg.
	Flyfishing is a state of mind! .............. Q.g. C/R........barbless
Troutnut	April 30th, 2007, 6:34 am
Administrator Bellevue, WA Posts: 2737	From the general look it seems like something in the Heptageniidae family, but beyond that it really is hard to tell since most of us don't know our European mayflies at a glance.
	Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist
GONZO	April 30th, 2007, 7:25 am
Site Editor "Bear Swamp," PA Posts: 1681	Sorry Stan, I've looked at your specimen several times but the details (esp. wing venation and leg structure) just aren't clear enough to make a good guess. But I'll second Jason's comment that it's probably a member of Heptageniidae, maybe Rithrogena (?).
Taxon	April 30th, 2007, 9:18 am
Site Editor Royse City, TX Posts: 1350	Stan- Unfortunately, the mayflies of Bulgaria seem not to have been included in the European Macro-Invertebrate Database. However, here is the list of Greek Heptageniid species, which would probably be similar to those for Bulgaria: Dacnogenia coerulans Ecdyonurus aurantiacus Ecdyonurus dispar Ecdyonurus helveticus Ecdyonurus insignis Ecdyonurus venosus Electrogena lateralis Epeorus assimilis Heptagenia flava Heptagenia sulphurea Kageronia fuscogrisea Rhithrogena beskidensis Rhithrogena germanica Rhithrogena hybrida Rhithrogena loyolaea Rhithrogena semicolorata
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com
Stanislav	April 30th, 2007, 10:09 am
Bulgaria Posts: 22	Thanks guys and sorry for the question hard up for an answer! May be from the next year I`ll go to study entomoology Abroad and will learn more about European mayflies!
	The life is too short to fish a bad fly
Quillgordon	April 30th, 2007, 10:36 am
Schuylkill County, PA. Posts: 109	Stan, Do you have a library that might have the information you need. There must be a record somewhere..... library,college,etc. Then the 'residents' could better help you! Where are the photos ???? Streams fish, women, etc. John
	Flyfishing is a state of mind! .............. Q.g. C/R........barbless
Konchu	May 2nd, 2007, 9:10 pm
Site Editor Indiana Posts: 505	Was this from a small stream that becomes dry later in the summer or a larger stream? Maybe I'm getting too tired, but it almost looks like some ameletid species I've seen.
Taxon	May 2nd, 2007, 10:47 pm
Site Editor Royse City, TX Posts: 1350	Konchu- I certainly agree with regard to the abdominal markings. How about the eyes; are they laterally opposed on the female imago? Unfortunate the tarsal claws cannot be clearly seen.
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com
Konchu	May 3rd, 2007, 6:07 am
Site Editor Indiana Posts: 505	I had to stop and think about the basis of my ameletid guess; I was going mainly on the date of emergence, the generally dark coloration, size, and two tails. I'd have to check a book to see about the eye characters; I don't remember off the top of my head. IF it is an ameletid, it could be either Ameletus or Metreletus. You'd have to look at the venation of the wings up close to be sure. Really, we don't have quite enough to ID this beast, but it sure is fun to try.
Stanislav	May 3rd, 2007, 11:02 am
Bulgaria Posts: 22	It`s definetly not a small one. Next Time when I go there ` these days I hope I``ll collect some insects- and`ll try to make better pictures ! Tight Lines !
	The life is too short to fish a bad fly
Taxon	May 4th, 2007, 6:51 pm
Site Editor Royse City, TX Posts: 1350	Really, we don't have quite enough to ID this beast, but it sure is fun to try. Konchu- Ain't that the case. Well, if you come up with any further insights, be sure to share them. I'd be particularly interested in a source for keys to the European mayfly genera we don't have in N. America. Of course, species keys would also be nice, but most of my attempts at identification are ususally from photos, and frankly, even positive identification to genus (more often than not) eludes me.
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com

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