Atissini, Cresson

Dawah, Hassan A., Ahmad, Syed K., Abdullah, Mohammed A. & Zatwarnicki, Tadeusz, 2019, An overview of the Ephydridae (Diptera) of Saudi Arabia, Zootaxa 4711 (3), pp. 401-445 : 410

Key to genera and species of Atissini from the Saudi Arabia

1. Antenna in moderately to very deep cavities....................................... Asmeringa inermis Becker, 1903

- Antenna at most in rather shallow depressions.............................................................. 2

2. Face in lateral view concave, most prominent at ventral facial margin, lacking dorsally curved setae................................................................................................. Atissa pygmaea Haliday, 1833

- Face convex in lateral view, protrudent, prominent just ventrad of antennal bases, bearing large, dorsally curved setae near facial prominence...................................................................... Ptilomyia Coquillett