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Photo#372935
Might this be a Northern bluet? - Enallagma civile

Might this be a Northern bluet? - Enallagma civile
Rochester, Monroe County, New York, USA
August 15, 2009

Moved
Moved from ID Request.

Probably not, but...
Possibly Familiar Bluet... It would be easier to be more certain if you could give a closeup of the tail end. Great shot, by the way!

 
Thanks
I don't have another shot which would provide a different angle, but I could crop this one further if that would help.

 
Yes, that would be great...
Using the original image at max resolution, try cropping to show the best you can the end of the tail. In fact, I am something like 90% sure it is the Familiar Bluet, but doing this could help nail the ID. You can compare your excellent image with this one: and this one: to see if you agree that the shape of the end of the tail matches. In Bluet damselfly males, the shape of the claspers at the end of the tail are crucial in determining the species, as each species uses its claspers to grab hold of the female and that system is virtually like a "key and keyhole" setup. Each species has it own distinctive set of claspers and that is how they are generally best told apart.

 
Hope this tail shot helps
I'm just a beginner at this stuff, but I can see some similarities on the tail plus the color pattern on what I think are segments 7-8.

 
Yep! I think that does it...
Quoting from Ed Lam's "Damselflies of the Northeast" re: Familiar Bluet (Enallagma civile)- "Appendages triangular in shape, nearly as long as segment 10, sometimes noticeable in the field"

(He is based in Eastchester NY by the way, so not too far from your neck of the woods, I expect...Get his book if you don't already have it...It rocks, even if using guides is not necessarily your thing)

Please feel free to move this to the species page and out of ID request.

 
Thank you
I do use a guide, the Massachusetts one. When I was looking around for a guide I don't recall seeing any mention of Mr. Lam's book. I'd have checked it out if I'd seen it.

Eastchester is in the NYC area, about 300+ miles from Rochester.

 
Oops, I guess that shows my...
lack of knowledge of NY State and US Geog in general! My apologies...

Naturally, the Mass guide is excellent and if you ever want another, the ref for Ed Lam's book on Bug Guide is (1). Just click on the (1) link and it will show you more info.

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