Hyadinini, Phillips

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 : 428

Key to genera and species of Hyadinini from the Saudi Arabia

1. Both notopleural setae about equally sized and inserted at about same level; costal section II at least half length of section III............................................................................... Pelina similis Papp, 1974

- Anterior notopleural seta reduced or absent; posterior notopleural seta inserted at higher level than anterior seta; costal section II considerably less than twice that of section III............................................................ 2

2. Arista with long rays; 1 row of facial setae; 2 dorsocentral setae.......................... Nostima picta ( Fallén, 1813)

- Arista bare or with minute hairs; 2 rows of facial setae; 3 dorsocentral setae............ Philygria posticata ( Meigen, 1830)