DescriptionThorax stripes usually yellow-green below and blue above (but on some females are all yellow); shape shown in figure. The face is pale green with a thin, pale brown line, or no line at all. Females have blue, green or yellow abdominal spots; segment 9 is longer than segment 8; the ovipositor and appendages are unusually large, the former extending well past the end of segment 9. Male’s upper appendages flattened. Length: ♂ 71 mm, ♀ 69 mm.
Flight PeriodB.C., early July to mid October.