[Odonata-l] Emerald ID (was etymology of Libellula incesta)

[Steve & Marcia M. Hummel]

You've convinced me.  We don't get either of them in Iowa.  Using 
Dragonflies thorugh Binoculars it is pretty tough to tell the 
difference!

On Tue, 14 Aug 2007 14:51:09 -0400
  June Tveekrem <damselfly at southernspreadwing.com> wrote:
> It's a male Corduliid all right. But not a Racket-tailed Emerald. 
>The 
> male Racket-tailed is much wider near the tip of the abdomen. I 
>believe 
> it's a Brush-tipped Emerald, Somatochlora walshii. See the following 
>two 
> photos for comparison.
> 
> Racket-tailed (Dorocordulia libera)  http://tinyurl.com/2nmaaj
> 
> Brush-tipped (Somatochlora walshii)  http://tinyurl.com/2jsftp
> 
> -- 
> June Tveekrem
> Columbia, Maryland, U.S.
> damselfly|AT|southernspreadwing.com
> 
> 
> 
> Steve & Marcia M. Hummel wrote:
>> Hi Michel,
>> This certainly isn't a Sympetrum, but rather a corduliid. Living in
>> the midwest I don't get to see these very often, but I would venture 
>>a
>> guess that it is a racket-tailed emerald (Dorocordulia libera). 
>>Maybe
>> someone else can confirm or correct this.
>> Steve Hummel
>> Lake View, IA
>>
>>
>> Michel Pilon wrote:
>>> Hello,
>>>
>>> Here are 3 pictures of a dragonfly I took last June 14th within the
>>> Green Belt area in Kanata, Ontario, Canada..
>>>
>>> Is it possible to identify it???
>>>
>>> Could it be a kind of Sympetrum???
>>>
>>> http://parcours.pilonm.org/pictures/inconnu15.jpg
>>>
>>> http://parcours.pilonm.org/pictures/inconnu16.jpg
>>>
>>> http://parcours.pilonm.org/pictures/inconnu17.jpg
>>>
>>> Thank you very much for your help!
>>>
>>> Michel
>>> Quebec, Canada
> 
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