Xenomyia calyptrata Emden, 1951

Diagnosis. (modified from Emden 1951). Length: 5.0– 6.6 mm. 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 very short (Fig. 7, modified from Fig. 56 of Emden 1951); prosternum bare; superior frontal seta absent; acrostichals present; dorsocentrals 1:2; katepisternals 1+2, the posterior seta very strong; presutural intra-alar seta absent; two intralar fine. Anepimeron bare. Fore tibia without median seta. Hind tibia with an anterodorsal seta, without posterodorsal. Wings spotted Lower calypter elongate, more than twice as long as wide (Fig. 21, modified from Fig. 7, plate X of Emden 1951). Claws a little long. R 1 bare. Head and thorax in lateral view as in Fig. 7 (modified from Fig. 56 of Emden 1951).

Note. Described from male and female from Kenya ( Mt. Elgon, Swam River at 5,000 ft) and Uganda (Mobuku River at 4,000ft, on rocks) (Emden 1951) (NHMUK, SDEI) ,