Figs 185–188

Paralectotype. 1 male of Limnophora auriflua Stein, 1911, junior synonym of S. zebrina. Lectotype in SMT, designated by Pont (2001: 464). Chile.

Diagnosis. Length of body. 6.5 mm (male). Head. Male frons about one-fourth of head-width, brown. Fronto-orbital plate, parafacial, face and gena brown, silver pruinose from certain angles. Ocellar triangle grey pruinose, reaching lunule. Ocellar setae not differentiated from the many other setae on ocellar triangle. Antenna dark brown. Arista dark brown, bare. Palpus dark brown. Oral margin projecting forwards. Thorax. Scutum dark brown, silver pruinose, with 3 brown vittae, all broad and reaching tip of scutellum. Postpronotum and notopleuron silver pruinose. Dorsocentrals 2+3. Haltere yellow. Calypters white. Legs. Brown. Fore tibia without a posterior seta. Mid tibia with 3 posterior setae. Hind femur with an anteroventral row of setae on apical half and 4–5 ventral setae on basal half. Hind tibia with 3 anterodorsal setae on middle third; 1 submedian anteroventral; without posterodorsal. Arolium and pulvillus enlarged. Wing. Smoky brown at base. Costal spine indistinct. M slightly curved forward close to apex. Abdomen. Dark brown; tergites 3 and 4 with a median and lateral silver spots; tergite 5 with lateral golden pruinose spots.

Remarks. The species can be recognized by the yellow haltere; darkened wing; and the golden pruinose lateral spots on tergite 5. It can be identified with the keys by Stein (1911, as Limnophora auriflua) and by Malloch (1934, as Syllimnophora auriflua).