Spilogona costalis ( Stein, 1907 )

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 : 37

Spilogona costalis ( Stein, 1907)

Lectotype. Male. Designated by Pont (2004: 84). China.

Diagnosis. Length of body. 4.5 mm (male). 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 dark brown. Acrostichals in 2 rows before suture. Dorsocentrals 2+3. Notopleuron without setulae. Anepisternum without interspatial seta. Haltere dark brown. Calypters white. Legs. Brown. Fore tibia without a posterior seta. Mid tibia with 2 posterior setae on middle third; 1 anterodorsal; without anteroventral. Hind tibia with 2 anterodorsal setae; 2 submedian anteroventrals; a row of short posterodorsals. Arolium and pulvillus enlarged. Wing. Smoky brown. Costal spine indistinct. Abdomen. Sternite 1 bare.

Remarks. The species can be identified with the key by Hennig (1959) who illustrated the male terminalia Hennig (1959, plate 13 figs 258–259, plate 15 figs 305–306).