Aquatic Coleoptera of North Oman, with description of new species of Hydraenidae and Hydrophilidae Ribera, Ignacio Hernando, Carles Cieslak, Alexandra Acta Entomologica Musei Nationalis Pragae 2019 2019-06-24 59 1 253 272 7VG7B (Sharp, 1882) Sharp 1882 [889,1375,423,446] Insecta Dytiscidae Hydaticus Animalia Coleoptera 4 257 Arthropoda species pictus Prodaticus   Material examined.Loc. 6: 3 ♁♁ 2 ♀♀; Loc.7 (observed, no specimen collected); Oman, Fallah Cave, 21–27.i.2001, W. S. Giagang leg.: 2 spec.(one used for DNA extraction, voucher No. NHM-IR583, sequences published in RIBERA et al. 2008).