Syllimnophora candidifrons ( 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 : 43

Syllimnophora candidifrons ( Stein, 1911)

Figs 165–168

Paralectotypes. 3 males, 4 females. Lectotype in SMT, designated by Pont (2001: 466). Bolivia .

Diagnosis. Length of body. 5.5–6.0 mm (male, female). Head. Frons broad in both sexes, about one-third of head-width. Frons uniformly silver-white pruinose. Fronto-orbital plate, parafacial, face and gena brown, silver pruinose from certain angles. Ocellar triangle indistinct. Ocellar setae long and with many additional setulae. Antenna dark brown. Arista dark brown, bare. Palpus dark brown. Oral margin projecting forwards and with many black setae besides the vibrissa. Thorax. Scutum dark brown, with 2 lateral silver pruinose marks before suture. Postpronotum and notopleuron partially silver pruinose. Dorsocentrals 2+3. Haltere brown. 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. Hind tibia with 3 anterodorsal setae on middle third; 1 submedian anteroventral; without posterodorsal. Arolium and pulvillus not enlarged. Wing. Costal spine indistinct.M slightly curved forward close to apex.Abdomen. Dark brown, with a median silver pruinose vitta and broad lateral spots on all tergites. Sternite 5 brown, with a little grey dust.

Remarks. The species can be recognized by the broad male frons which is uniformly silver-white pruinose; the brown haltere; and the white pruinose spots on abdomen. It can be identified with the key by Stein (1911, as Limnophora candidifrons ).