[Odonata-l] Damselfly identification please...

[Thomas Schultz]

And wouldn't it be E. annexum instead of cyathigerum?

Tom

Tom D. Schultz, Ph.D.
Tight Distinguished Professor
in the Natural Sciences
Department of Biology
Denison University
Granville, OH 43023
740-587-6218


On Oct 20, 2006, at 8:46 AM, Nick and Ailsa Donnelly wrote:

> There is no way at all of distinguishing cyathigerum and vernale by  
> photo.  One has to look carefully at the cerci (top view) to see  
> which species one has.  The further problem is that the two  
> intergrade extensively from Michigan through to Quebec and Maine.   
> Nick Donnelly
>
> From: odonata-l-bounces at listhost.ups.edu [mailto:odonata-l- 
> bounces at listhost.ups.edu] On Behalf Of Pilon, Michel
> Sent: Friday, October 20, 2006 8:20 AM
> To: Odonata-l
> Subject: Re: [Odonata-l] Damselfly identification please...
>
> Hello,
>
> Finally, this damselfly is from the genum Enallagma...
>
> By comparing my picture with the picture and the text on the  
> following web site of Quebec's damselflies, I'm pretty sure it is  
> E. cyathigerum.
> http://odonatacentral.bfl.utexas.edu/fieldguide/species.asp?taxaid=688
>
> Here are other pictures of other Enallagma species from Quebec. 2  
> of them looks very similar to E. cyathigerum but I found some minor  
> differences with mine (color of legs, colors of segments, etc...)
> http://odonatacentral.bfl.utexas.edu/checklists/namerica/ 
> canada_checkList.asp?State=Quebec
>
> The 2 other looking similar are E. boreale and E. civile.
>
> What do you think about what I found?
>
> Thank you  very much again!
>
> Michel
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