Mesembrinella anomala

Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 138

Mesembrinella anomala species-group

Recognition. The M. anomala group includes two species, M. andina and M. anomala . Both are medium-sized, blue-black flies (9–11 mm in length), with row of postocular setae not reaching gena, discal scutellar setae absent and T5 elongate, 1.5–2 times length of T 4 in male. Male with surstylus broad and cercus sinuous ( Figs 99–100) (see Wolff et al. 2014: figs 22–23); phallus distinctive; epiphallus long and slender ( M. anomala , Figs 189–190) or short and slender ( M. andina ) (see Wolff et al. 2014: figs 20–21).