Syllimnophora femorata ( Stein, 1911 )

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 : 44

Syllimnophora femorata ( Stein, 1911)

Figs 177–180

Paralectotypes. 2 males, 2 females. Lectotype in SMT, designated by Pont (2001: 470). Chile .

Diagnosis. Length of body. 5.0 mm (male, female). Head. Male frons about one-fourth of head-width. Frons brown. Fronto-orbital plate, parafacial, face and gena brown, silver pruinose from certain angles. Ocellar triangle silver pruinose, reaching lunule. Ocellar setae very short. Antenna dark brown. Arista dark brown, bare. Palpus dark brown. Oral margin projecting forwards, and with a few black setae besides the vibrissa. 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 2 posterior setae. Hind femur with an anteroventral row of setae on apical half and 4–5 ventral setae on basal half. Hind tibia with 2–3 anterodorsal setae on middle third; 1 submedian anteroventral; without posterodorsal. Arolium and pulvillus enlarged. Wing. Costal spine indistinct. M slightly curved forward close to apex. Abdomen. Dark brown, with a median silver pruinose vitta on tergites 3 and 4 and silver pruinose spots on tergites 3–5.

Remarks. The species can be recognized by the slightly narrower male frons; the yellow haltere; and the presence of 4–5 ventral setae on basal half of hind femur. It can be identified with the keys by Stein (1911, as Limnophora femorata ) and by Malloch (1934, as Syllimnophora femorata ).