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| | Welcome to our newest member, Ruralman | |  | 
06-04-2010, 12:38 AM
|  | Wild Member | | Join Date: Oct 2009
Posts: 181
| | | nymph for ID
I've been out today and found this nymph in a fairly fast flowing stream (flowing slow enough for plenty of gammerus to occupy) and I found this insect. I was quite excited when I found it lol!
Is it a damselfly nymph or a dragonfly nymph or something similar?
Any insight much appreciated. Cheers
Jack |
06-04-2010, 12:44 AM
| | Wild Member | | Join Date: Oct 2009
Posts: 181
| | | Re: nymph for ID
|
06-04-2010, 01:08 AM
| | Wild Member | | Join Date: Oct 2009
Posts: 181
| | | Re: nymph for ID
maybe a mayfly...? |
06-04-2010, 07:30 AM
|  | Commander of the Wild Empire | | Join Date: Nov 2006 Location: Yorkshire Dales
Posts: 2,589
| | | Re: nymph for ID
It is a mayfly one of the Ecdyonurus species. We call them Flat Mayflies - for obvious reasons. As to which particular species I'd need to be able to examine them in more detail than I can get from your photos to be certain but I'd make a suggestion of Ecdyonurus torrentis - based on the head shape and presence of black bands at the base and end of each tarsus.
__________________ Rob
More photographs at my Website
Last edited by RobSutton; 06-04-2010 at 07:33 AM.
|
07-04-2010, 10:17 PM
| | Wild Member | | Join Date: Oct 2009
Posts: 181
| | | Re: nymph for ID
Cheers Rob,
I admire your knowledge of mayflies; sounds like you deal with a lot of them?!
Jack |
08-04-2010, 05:37 AM
| | Commander of the Wild Empire | | Join Date: Nov 2006 Location: Yorkshire Dales
Posts: 2,589
| | | Re: nymph for ID
Hi Jack
I do quite a lot of stream work with students and come across these pretty often. It is one of the easier ones, there are only a few which have this flattened shape and with most mayflies I can only get them down to family level by sight. After that I have to get them under a microscope and use the Freshwater Biological Association Keys. With this one I'd still take it as a "likely to be" ID rather than a definite, I'd rate it as about 75% certain, to be sure I'd really need to see it for real and perhaps work it through the keys.
__________________ Rob
More photographs at my Website | | |
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