Adephagous water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae) of Yemen and Dhofar region (Oman) with description of a new Hyphydrus from Socotra Island. Acta Entomologica Musei Nationalis Pragae, 54S 2014: 63-99. 74 [Zoological Record Volume 151]