Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#279557
Damselfly - Ischnura verticalis - male

Damselfly - Ischnura verticalis - Male
Greenport, Suffolk County, New York, USA
May 23, 2009
Looks like a combination of Ischnura verticalis (segments 8&9) and posita (broken shoulder stripes).
Ed Lam's book says for verticalis "shoulder stripes rarely broken".

Yes, we would agree
Verticalis male with weak, broken stripe

 
Verticalis male with weak, broken stripe
Aha, that solves the puzzle.

Thanks, John and Jane, for your help.