Lispe biseta 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 : 18

Lispe biseta Stein, 1913

Figs 85–88

Syntypes. 1 male, 1 female. Tanzania .

Diagnosis. Length of body. 7.0 mm (male, female). Head. Male frons broad, more than one-third of head-width. Frons and fronto-orbital plate brown. Face, parafacial and gena grey dust- ed. Fronto-orbital plate and parafacial setulose. Ocellar triangle straight, golden pruinose, reaching lunule. Antenna and arista dark brown; tip of pedicel yellow; tip of postpedicel rounded. Arista bare on apical third. Palpus yellow, large, gradually enlarging to apex. Vibrissa long. Thorax. Scutum dark brown, with 5 faint brown vittae, the median one reaching apex of scutellum. Postpronotum and notopleuron grey dusted. Dorsocentrals 2+2. Haltere yellow. Calypters white. Legs. Coxae and femora brown grey dusted, tip of all femora yellow; tibiae yellow; tarsi yellowish-brown to yellow, mainly on ventral surface. Fore tibia without a posterior median seta. Mid femur with 2 posterior preapical setae. Mid tibia with 1 median posterior to posterodorsal seta; without anterodorsal and anteroventral setae. Hind tibia with 1 median anterodorsal seta; without anteroventral and posterodorsal; 1 preapical posterodorsal and 1 anterodorsal. Arolium and pulvillus small. Wing. Costal spine distinct. M straight at apex. Abdomen. Sternite 1 with very few lateral setae.

Remarks. The species can be identified with the keys by Stein (1913), Emden (1941) and Vikhrev (2016). The male habitus and sternite 4 and male terminalia were illustrated by Vikhrev (2016, figs 1 and 3). It belongs to the ambigua -group of Lispe , characterized by dorsocentrals 2+2; fore tibia without median seta; mid tibia with 1 posterodorsal and with or without anterodorsal; hind tibia with 1 anterodorsal seta and pulvillus small (Vikhrev 2016).