Spilogona baltica ( Ringdahl, 1918 )

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 : 36

Spilogona baltica ( Ringdahl, 1918)

Syntypes. 2 males, 1 female. Germany .

Diagnosis. Length of body. 4.0–5.0 mm (male, female). Head. Male holoptic. Fronto-orbital plate, ocellar triangle, face, parafacial and gena silver shiny from certain angles. Ocellar triangle dark brown, very short. Ocellar setae long. Eye without hairs. Antenna dark brown. Arista dark brown, short pubescent. Palpus dark brown. Gena at lowest eye margin about the same width as postpedicel. Oral margin not projecting forwards. Thorax. Scutum and pleura uniformly brown. Acrostichals developed, in 2–3 irregular rows. Dorsocentrals 2+3. Notopleuron without setulae. Anepisternum without interspatial seta. Haltere yellow. Calypters brown. Legs. Brown. Fore tibia without a posterior seta. Mid tibia with 2 posterior setae on middle third; without anteroventral and anterodorsal. Hind femur with posteroventral setae in basal third. Hind tibia with 2–3 anterodorsal setae; 1 submedian anteroventral; without posterodorsal. 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 illustrated the male terminalia (Hennig 1959, plate 11 fig. 216, plate 14 fig. 292).