Xenomyia edwardsi Emden, 1951

Diagnosis. (modified from Emden 1951). Length: 6.1–7.7 mm. Head of male and female, respectively in Figs 8 and 9 (modified from Figs 57 and 58 of Emden 1951). Ocellar absent; fronto-orbital plate much broader than frontal vitta, densely covered by short setulae; postpedicel round at apex; proboscis slender and glossy black; antenna and palpus black, long and slender; arista short (Figs 8 and 9, modified, respectively from Figs 57 and 58 of Emden 1951); prosternum setulose; superior frontal seta absent; acrostichals present; dorsocentrals, only the last strong; katepisternals 0:2; presutural intra-alar seta absent; two intralar weak. Anepimeron bare. Fore tibia without median seta. Hind tibia with an anterodorsal seta, without posterodorsal. Wings spotted (Fig. 22, modified from Fig. 4, plate 1 of Emden 1943). Lower calypter fuscous. Halter yellow. Claws a little long. R 1 setulose.

Note. Described from male and female from Uganda, Mobuku River, at circa 4,000 ft, and from Kenya in Swam River at 5,000 ft., on rocks “wetted by spray in the both parts of the two rivers” (Emden 1951) (NHMUK). Known geographical distribution, Kenya and Uganda.