Agriocnemis bumhilli sp. n., a new damselfly from the Kwando River in northeastern Namibia is described. The new species is similar to Agriocnemis angolensis but characterized by unique male appendages, swollen abdominal segments 9 and 10, the complete absence of antehumeral stripes, and smaller size. The species is illustrated and a photograph is provided. For comparison, an illustrated key to the other members of Agriocnemis within south-central Africa is provided. Keywords: Damselfly, Agriocnemis taxonomy, Body size, Africa, Kwando River.