Type specimens of Limnophorini (Diptera: Muscidae) deposited in the Museum für Naturkunde, Humboldt-Universität zu Berlin (Berlin, Germany) Couri, Márcia Pont, Adrian Zoologia 2020 e 46879 2020-08-28 37 1 57 3VDXS Becker, 1907 Becker 1907 [940,1297,397,424] Insecta Muscidae Lispe Animalia Diptera 19 20 Arthropoda species elkantarae   Figs 238–241   Syntypes. 3 males, 8 females. Algeria. Diagnosis. Length of body. 5.5 mm(male), 6.5–7.5 mm(female). Head. Male dichoptic, frons one-third of head-width. Frons dark brown. Fronto-orbital plate, face, parafacial and gena silver pruinose. Ocellar triangle golden pruinose, reaching lunule. Male fronto-orbital plate and parafacial setulose. Antenna dark brown; apex of pedicel and base of postpedicel yellow. Arista short, dark brown; bare on apical third. Palpus yellow, abruptly enlarged towards apex; apex very large. Vibrissa very short and fine. Thorax. Scutum brown, grey pollinose. Postpronotum and notopleuron light grey dusted. Dorsocentrals 2+3. Haltere yellow. Calypters white. Legs. Mostly brown; femoro-tibial joints yellow; tarsi yellowish, 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 and 1 anterodorsal setae; without anteroventral. Hind tibia with no median differentiated seta; 1 dorsal preapical. Arolium and pulvillus short. Wing. Costal spine indistinct. Vein M straight. Abdomen. Sternite 1 setulose. Remarks. It can be identified with the keys by Hennig (1960) and Vikhrev (2015). It belongs to the  palposa-group of species (Hennig 1960), with palpus very broad at apex, abruptly enlarged; vibrissa short or absent; katepisternals developed and arranged as an equilateral triangle; fore tibia with or without median seta; mid tibia with anterodorsal; hind tibia without anteroventral and posterodorsal. Cercal plate illustrated by Vikhrev (2015, fig. 2). One male syntypefrom El-Kantara, Becker number 52660, v/ 1905, 500 m dissected and illustrated. [869,1235,484,504] Algeria Algeria 19 20 11 8 3 syntype