Limnophora quaterna ( Loew, 1852 )

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 : 12-14

Limnophora quaterna ( Loew, 1852)

Holotype. Female of Hylemyia quaterna Loew, 1852 . Mozambique . Syntypes. 19 males, 15 females of Limnophora notabilis Stein in Becker, 1903, junior synonym of L. quaterna . Egypt .

Diagnosis. Length of body. 4.5–5.0 mm (male, female). Head. Male frons intermediate; female frons broad, about one-third of head-width. Fronto-orbital plate, face, parafacial and gena silver pruinose. Antenna and arista dark brown; postpedicel with tip rounded. Arista short-plumose. Palpus dark brown. Thorax. Scutum in male with an Anthomyia -pattern; female pale grey dusted with 2 faint brown vittae on the middle part of the dorsocentral row of setae. Postpronotum and notopleuron grey dusted. Dorsocentrals 2+3. Intraalars 1+1. Lower katepisternal very fine and closer to the posterior seta. Haltere yellow. Calypters light brown. Legs. Fore tibia without a posterior seta. Mid femur with 2 preapical setae. Mid tibia with 2 posterior setae in middle third. Hind tibia with 1 short and fine median anterodorsal and anteroventral setae; without posterodorsal. Arolium and pulvillus reduced. Wing. Costal spine indistinct. Abdomen. Sternite 1 bare.

Remarks. This species can be identified with the keys by Emden (1951) and Hennig (1959), both as L. notabilis , and with the key by Couri et al. (2006) to the Madagascan species of Limnophora . The male terminalia were illustrated by Emden (1951, fig. 22).