Introduction: Dark Sprites (Pseudagrion deningi) occur at swampy fringes of rivers. They are named after RC Dening, a noted entomologist.
Distribution: Kavango and Kwando Rivers.
Colouration: Mostly black above with some segments light blue. The underside of the eyes are green, the upperside black.
Breeding: Emergence at Kwando River has been recorded.
Flight season: August, December, February and March.
Conservation: Not threatened.