Mesembrinella obscura (Wolff, 2017) Huascaromusca obscura Wolff in Wolff et al., 2017: 253. Holotype male (CEUA), not examined. Type locality: Vereda La Floresta, Jardín, Antioquia, Colombia. Mesembrinella obscura: Cerretti et al. (2017: tab. 2). Diagnosis. Postpronotal lobe with 3x 3 setae; subcostal sclerite bare; legs entirely dark; spiracles black; ac 0:1; outer ph 1. Redescription. [Summarized from Wolff et al. (2017).] Male. A medium-sized dark blue fly with bright blue reflections. Frons 0.058 (0.044–0.69/8) of head width at narrowest. Scutellar chaetotaxy: 1 ap, 1 bas, 1 pb, 1 disc. Wing mostly hyaline, with slight darkening at base and around crossvein r-m. Epandrium, cerci and surstyli and other characters as in Wolff et al. (2017: figs 5–11). Female. Wolff et al. (2017) give female frons width at narrowest as 0.238 (0.228 –0.250 /10). Terminalia not illustrated or described in detail. Material examined. None (no specimens could be obtained for examination). Distribution. Colombia.

Published as part of Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), pp. 1-146 in Zootaxa 4659 (1) on page 85, DOI: 10.11646/zootaxa.4659.1.1, http://zenodo.org/record/3377239