Checklist of Moroccan aquatic beetles (Coleoptera: Hydraenidae Mulsant, 1844) New records and updates Author Benamar, Loubna LESCB URL-CNRST N ° 18, FS, Abdelmalek Essaadi University, Tetouan, Morocco. Author Bennas, Nard 0000-0003-3819-2717 LESCB URL-CNRST N ° 18, FS, Abdelmalek Essaadi University, Tetouan, Morocco. & nbennas @ uae. ac. ma; https: // orcid. org / 0000 - 0003 - 3819 - 2717 nbennas@uae.ac.ma Author Hassoun, Mustapha 0000-0001-9904-1774 LESCB URL-CNRST N ° 18, FS, Abdelmalek Essaadi University, Tetouan, Morocco. & hassoun. mustapha-etu @ uae. ac. ma; https: // orcid. org / 0000 - 0001 - 9904 - 1774 hassoun.mustapha-etu@uae.ac.ma Author Millán, Andrés Departamento de Ecología e Hidrología, Facultad de Biología, Universidad de Murcia, Murcia, Spain. text Zootaxa 2022 2022-04-29 5129 4 451 504 journal article 55784 10.11646/zootaxa.5129.4.1 3824ca0b-9cec-4129-b90d-1885945e37e4 1175-5326 6503966 5A6CBF61-76FB-4E5E-8038-F9860EA8F997 Ochthebius ( Ochthebius ) atriceps Fairmaire, 1879 Material examined. High Atlas : Errachidia. 57 exs. , S364, 19.VII.1997 . Chorotype. Endemic Maghrebian. Distribution in North Africa. Algeria , Morocco and Tunisia ( Jäch & Skale 2015 ). Moroccan distribution. Rif and Pré-Rif : Al Hoceima and Taza ( Bennas et al. 2001 ). Central Plateau : Rabat, Kénitra (Orchymont 1935, 1942; Kocher 1958 ) and Casablanca (Orchymont 1935). Middle Atlas : Fès (Orchymont 1942; Kocher 1958 ). High Atlas : Marrakech (Orchymont 1942; Kocher 1958 ) and Essaouira (Orchymont 1935, 1942). Anti Atlas : Agadir Ida-Outanane (Orchymont 1942; Kocher 1958 ).