Spilogona narina ( Walker, 1849 )

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 : 38

Spilogona narina ( Walker, 1849)

Holotype. Male of Limnophora nigrifrons Stein, 1920b , junior synonym of S. narina . U.S.A.

Diagnosis. Length of body. 5.0 mm (male). Head. Male dichoptic. Frons broad, about one-third of head-width. Fronto-orbital plate, ocellar triangle, face, parafacial, gena, antenna, arista and palpus uniformly dark brown. Ocellar triangle short. Ocellar setae long. Eye without hairs.Gena at lowest eye margin about the same width as postpedicel. Oral margin not projecting forwards. Thorax. Scutum and pleura uniformly shiny dark brown. Acrostichals fine, in irregular rows. Dorsocentrals 2+4. Notopleuron without setulae. Anepisternum withoutinterspatial seta. Haltere yellow. Calypters smoky brown. Legs. Brown. Fore tibia with 1 posterior seta. Mid tibia with 2 posterior setae on middle third; without anterodorsal and anteroventral. Hind tibia with 2 anterodorsal setae; 2 anteroventrals in apical third; 1 posterodorsal. Arolium and pulvillus not enlarged. Costal spine indistinct. Abdomen. Sternite 1 bare.

Remarks. The species can be recognized by the dark brown head and can be identified with the keys to Spilogona by Huckett (1932, as subgenus of Limnophora ) and by Huckett (1965).