Lispe ambigua 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 : 16

Lispe ambigua Stein, 1913

Syntype. Female. Ethiopia .

Diagnosis. Length of body. 6.3 mm (female). Head. Frons brown, broad, more than one-third of head-width. Fronto-orbital plate, face, parafacial and gena silver dusted. Fronto-orbital plate and parafacial setulose. Antenna and arista dark brown; tip of postpedicel rounded. Palpus yellow, strongly and abruptly dilated at apex. Vibrissa long. Thorax. Scutum grey dusted with 3 brown vittae, the median one reaching tip of scutellum. Scutellum grey dusted on margins. Postpronotum and notopleuron grey dusted. Dorsocentrals 2+2. Lower katepisternal strong, forming an equilateral triangle with the other two setae. Haltere yellow. Calypters white. Legs. Mostly brown grey dusted; except for the yellow femoro-tibial joints and tibiae. Fore tibia without posterior seta. Mid femur with 2 posterior preapical setae. Mid tibia with 1 median posterior to posterodorsal and 1 submedian anterodorsal setae; without an anteroventral. Hind tibia with 1 median anterodorsal seta, without anteroventral; 1 dorsal preapical. Arolium and pulvillus small. Wing. Costal spine distinct. Vein M straight at apex. Abdomen. Sternite 1 setulose.

Remarks. The species can be identified with the keys by Stein (1913), Emden (1941) and Vikhrev (2016). The male genitalia and cercal plate were illustrated by Vikhrev (2016, figs 2 and 5). 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).