Lispe dichaeta Stein, 1913

Couri, Márcia & Pont, Adrian, 2020, Type specimens of Limnophorini (Diptera: Muscidae) deposited in the Museum für Naturkunde, Humboldt-Universität zu Berlin (Berlin, Germany), Zoologia (e 46879) 37, pp. 1-57 : 20

Lispe dichaeta Stein, 1913

Syntypes. 2 males, 1 female. Ethiopia and South Africa .

Diagnosis. Length of body. 5.5 mm (male), 6.0 mm (female). Head. Male dichoptic, frons broad, more than one-third of head-width. Frons dark brown. Fronto-orbital plate and parafacial golden pruinose. Face and gena silver pruinose. Ocellar triangle large, golden pruinose, reaching lunule. Male fronto-orbital plate setulose, with 1–3 strong setae at lower end; parafacial setulose, with 1 long seta close to gena. Antenna brown, with apex of pedicel and base of postpedicel yellow. Arista dark brown; bare on apical third. Palpus yellow, abruptly enlarged towards apex; its apex silver pollinose from certain angles. Vibrissa long. Thorax. Scutum uniformly brown. Dorsocentrals 1+2. Haltere yellow. Calypters white. Legs. Coxae and femora brown, grey pollinose; tibiae and tarsi yellow. Fore tibia with 1 dorsal submedian seta and 5 short dorsal to anterodorsal supramedian setae; 1 median posteroventral seta, fine in male. Mid femur with 2 posterior preapical setae. Mid tibia with 1 median posterior to posterodorsal seta; 1 anterodorsal; without anteroventral setae. Hind tibia with 1 median anterodorsal, 1 submedian anteroventral and 1 median posterodorsal; 1 dorsal preapical. Arolium and pulvillus not enlarged. Wing. Costal spine indistinct. Vein M straight. Abdomen. Sternite 1 setulose.

Remarks. The species can be identified with the keys by Stein (1913), Emden (1941) and Vikhrev (2016), and by Couri et al. (2006) to Madagascan species of Lispe . The head and cercal plate were illustrated by Vikhrev (2016, figs 9–10). It belongs to the dichaeta -group of Lispe , characterized by dorsocentrals 1+2; fore tibia with 1 dorsal and 1 posteroventral setae; mid tibia with 1 posterodorsal and with 1 anterodorsal; hind tibia with 1 anterodorsal, 1 anteroventral and 1 posterodorsal setae (Vikhrev 2016).