Biting midges of the tribe Ceratopogonini (Diptera: Ceratopogonidae) from the Middle East, with keys and descriptions of new species Author Alwin-Kownacka, Alicja Author Szadziewski, Ryszard Author Szwedo, Jacek text Zootaxa 2016 2016-02-16 4079 5 551 572 journal article 31500 10.11646/zootaxa.4079.5.3 7f223778-dd55-45a1-9878-88ae789e57ac 1175-5326 1050879 CC01F586-597F-4C42-9F87-DBD81CF5AAC2 Key to species of Brachypogon 1. Wing with both radial cells obliterated.................................................................... 2.................................................................................. subgenus Brachypogon - Wing with two distinct radial cells........................................................................ 6...................................................................................... subgenus Isohelea 2. Gonostylus short, 1.5–1.8 times shorter than gonocoxite...................................................... 3 - Gonostylus long, nearly as long as gonocoxite.............................................................. 4 3. Parameres well developed, readily visible......................................... B. (B.) afifi Boorman & Harten - Parameres indistinct, barely visible............................................. B. (B.) obesus Szadziewski et al. 4. Apical portion of aedeagus slender............................................ B. (B.) yarimii Boorman & Harten - Apical portion of aedeagus broad......................................................................... 5 5. Parameres as long as aedeagus...................................................... B. (B.) vitiosus (Winnertz) - Parameres distinctly shorter than aedeagus...................................... B. (B.) arabicus Szadziewski et al. 6. Gonostylus deeply bifurcate................................................... B. (I.) freidbergi Dominiak et al. - Gonostylus simple.................................................................................... 7 7. Aedeagus triangular, with divided apex......................................... B. (I.) aethiopicus (Clastrier et al. ) - Aedeagus tongue-like, with simple blunt apex................................. B. (I.) vanharteni Szadziewski et al.