I thought at first Dusky Clubtail, but then read that Ashy Clubtail is very similar. But without finding the specifics about the shape of this male's terminal appendages differentiating the two, I feel certain it is indeed the Dusky based on the "overall darkness" as illustrated here:
http://www.njodes.com/id_pages/clubtails/id_slender.htm Also, Ashy is not especially common in our area. I have determined mine from that same photo shoot to be Dusky Clubtails, and this in particular is male.
Vonnie
