Spilogona alpica ( Zetterstedt, 1845 )

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 : 35

Spilogona alpica ( Zetterstedt, 1845)

Syntypes. 3 males, 1 female of Limnophora latifrons Stein, 1916 , junior synonym of S. alpica . Italy and Austria .

Diagnosis. Length of body. 3.0– 3.5 mm (male, female). Head. Frons broad in both sexes, half as wide as an eye in male, about one-third of head-width in female. Frons dark brown. Fronto-orbital plate, ocellar triangle, face, parafacial and gena brown. Ocellar triangle grey dusted, very short. Ocellar setae very long. Eye without hairs. Antenna dark brown, postpedicel broad. Arista dark brown, very short pubescent. Palpus dark brown. Gena at lowest eye margin about 1.5 times the width of postpedicel. Oral margin projecting forwards. Thorax. Scutum uniformly brown. Acrostichals in 2 rows. Dorsocentrals 2+3. Notopleuron without setulae. Anepisternum with 1 interspatial seta. Haltere brown. Calypters white. Legs. Brown. Fore tibia without a posterior seta. Mid tibia with 1–2 anterodorsal setae; 2 posterior setae on middle third and 0 anteroventrals. Hind femur with 2 long anteroventral setae in apical third. Hind tibia with 3–4 anterodorsal setae; 1–2 anteroventrals and 2–3 posterodorsals. Arolium and pulvillus enlarged. Wing. Costal spine indistinct. Abdomen. Sternite 1 bare.

Remarks. The species can be identified with the key by Hennig (1959), who also gave illustrations of the male terminalia (Hennig 1959, plate 10 fig. 201, plate 14 fig. 290).