Common Names: Tule bluet
The damselfly has a blue and black abdomen, usually with more black than blue. The black humeral stripes are about a half the width of the blue antehumerals. The tule bluet postocular spots are small and triangular; they are separated by a thin occipital bar.
Typically found near ponds, marshes, bogs, lakes, and rivers from mid-May to October.