An overview of the Ephydridae (Diptera) of Saudi Arabia Author Dawah, Hassan A. Author Ahmad, Syed K. Author Abdullah, Mohammed A. Author Zatwarnicki, Tadeusz text Zootaxa 2019 2019-12-17 4711 3 401 445 journal article 24562 10.11646/zootaxa.4711.3.1 9f235b62-9469-46ae-9fc0-9a39bd53b690 1175-5326 3586476 EF990EE4-6D69-41DE-A7ED-6C3B5141B106 Key to tribes of Gymnomyzinae from the Saudi Arabia 1. Foreleg raptorial, with fore femur greatly enlarged and fore tibia ended in a large spur.............................................................................................. Ochtherini ( Ochthera schembrii Rondani, 1847 ) - Foreleg normal, fore femur slender, fore tibia not ended in a large spur...........................................2. 2. Posterior margin of gena sharply angulate; gena with fine pale setulae...........................................3. - Posterior margin of postgena meeting occiput at obtuse and broadly rounded angle; postgena usually with coarse black setulae; body shiny to dull.....................................................................................4. 3. Scutellum with 2 pairs of marginal setae; body mostly shiny black............................. Gymnomyzini , in part - Scutellum with 3 pairs of marginal setae; body mostly dull, whitish to grayish...................... Hecamedini , in part 4. Posterior notopleural seta inserted much farther dorsad from notopleural suture than anterior seta....... Hecamedini , in part - Anterior and posterior notopleural setae inserted equidistant from notopleural suture ....................... Discocerinini