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 Ephydrinae Zetterstedt from the Saudi Arabia 1. Medial facial area and lower facial margin without setae; facial setae inserted in more or less vertical series, parallel with parafacial. Subcranial cavity small to large..................................................................... 2 - Medial facial area and lower facial margin setose, the latter often with long setae; insertions of facial series of setae convergent above. Subcranial cavity large and cavernous............................................................... 3 2. Presutural or sutural dorsocentral seta inconspicuous or absent...... Dagini Mathis ( Brachydeutera longipes Hendel, 1913 ) - Presutural or sutural dorsocentral seta present, conspicuous............... Parydrini Wirth & Stone (genus Parydra Loew ) 3. Postsutural dorsocentral setae 3–4, anterior 3 pairs sometimes very short and weak. Disc of proepisternum with few to many fine setulae............................................ Ephydrini Zetterstedt ( Ephydra flavipes ( Macquart, 1843 )) - Postsutural dorsocentral setae 2, both equally strong. Disc of proepisternum usually bare, sometimes with a few fine setulae............................................................ Scatellini Wirth & Stone (genus Scatophila Becker )