Spilogona caliginosa ( Stein, 1916 )

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 caliginosa ( Stein, 1916)

Syntypes. 3 males, 1 female. Austria .

Diagnosis. Length of body. 2.5–4.0 mm (male, female). Head. Male holoptic. Fronto-orbital plate, ocellar triangle, face, parafacial and gena brown. Ocellar triangle dark brown, very short. Ocellar setae very short. Eye without hairs. Antenna dark brown. Arista dark brown, short pubescent. Palpus dark brown. Gena at lowest eye margin less than width of postpedicel. Oral margin not projecting forwards. Thorax. Scutum and pleura uniformly brown. Presutural acrostichals developed and in 2 rows. Dorsocentrals 2+3. Notopleuron without setulae. Anepisternum without interspatial seta. Haltere brown. Calypters white. Legs. Brown. Fore tibia without a posterior seta. Mid tibia with 2 posterior setae on middle third; 0–2 anterodorsals; without anteroventral. Hind tibia with 1–2 anterodorsal setae; 2–3 anteroventrals; and a row of short posterodorsals. Arolium and pulvillus enlarged. Wing. Smoky brown. Costal spine indistinct. Abdomen. Uniformly brown, concolourous with thorax. 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. 219, plate 14 fig. 297).