June 5, 2015 — Waukesha County

Observed on an old asphalt parking lot near a small pier and boat landing at Rainbow Lake.

Ashy Clubtail (Phanogomphus lividus)
I have several photos; one photo shows the cerci. I am not certain this is the correct species.
Photo of Ashy Clubtail
Dusky Clubtail (Phanogomphus spicatus)
Identified by Robert DuBois. Thank you.
Photo of Dusky Clubtail