Aquatic Coleoptera of North Oman, with description of new species of Hydraenidae and Hydrophilidae Author Ribera, Ignacio Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Passeig Maritim de la Barceloneta 37, E- 08003 Barcelona, Spain; Author Hernando, Carles P. O. box 118, E- 08911 Badalona, Catalonia, Spain; e-mail: leptotyphlus @ gmail. com Author Cieslak, Alexandra Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Passeig Maritim de la Barceloneta 37, E- 08003 Barcelona, Spain; text Acta Entomologica Musei Nationalis Pragae 2019 2019-06-24 59 1 253 272 journal article 8140 10.2478/aemnp-2019-0021 726682f3-9eac-4961-ac4d-d8b8679e8211 1804-6487 4488950 ABBA2B4F-8B60-41E2-B80B-45861F974B23 Ochthebius ( Ochthebius ) harteni Jäch & Delgado 2010 Published records. JÄCH & DELGADO (2010) . Material examined. Loc. 2: 3 spec. ( 1 spec. used for DNA extraction, voucher No. IBE-RA705, sequences published in VILLASTRIGO et al. 2019 ); Loc. 3: 1 ♀ ; Loc. 11: 13 spec. (1 ♁ used for DNA extraction, voucher No. IBE-RA125, sequences published in ABELLÁN et al. 2013 ); Loc. 12: 11 spec.