A new species named Linognathus damarensis is descriptionbed from the Damara dikdik. The new species belongs to the pithodes species-group, and a key to the latter is provided. Because of the discontinuous distribution of the host, a detailed examination of the lice on the isolated populations might provide useful information on the rate of speciation of the parasites. Keywords: Antidorcas marsupialis, Bearing microtrichia, Broad abdomen, Dorsal chaetotaxy, Gonapophyses, Host-type, L. damarensis, L. geigyi, Leaf-like gonapophyses, Madogua kirki damarensis, Pithodes species-group, Sclerotized abdominal tergal pIates, Thoracic sternal plate, Thorax, Ventral chaetotaxy.