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 ) difficilis Mulsant, 1844 Material examined. Rif and Pré-Rif : Chefchaouen. 1 m , S197, 26. V .2009 . Tétouan . 1 m , 1 f, S133, 28 -VIII-2001. Taza ( first record ). 2 exs. , S348, 30.III.1997 . Oriental Plateau : Jerada ( first record ) . 1 m , 1 f, S112, 23 .III.2008. 4 m , 9 f, S214, 19.III.2008 . Berkane ( first record ). 9 exs. , S351, 15.VII.1997 . High Atlas : Marrakech . 1 m , S298, 02. VI .2005 . Errachidia ( first record ). 7 exs. , S352, 16.VII.1997 . Ouarzazate. 1 ex. , S341, 19.VII.1997 . Anti Atlas : Agadir Ida-Outanane ( first record ). 3 exs. , S323, 20.VII.1997 . 3 exs. , S346, 21.IV.2001 . 7 exs. , S385, 23.VII.1997 . Taroudant. 2 exs. , S367, 03.I.1985 . Chorotype. Mediterranean. Distribution in North Africa. Algeria , Morocco and Tunisia ( Jäch & Skale 2015 ). Moroccan distribution. Rif and Pré-Rif : Tétouan, Chefchaouen, Al Hoceima and Nador ( Bennas et al. 2001 ). Oriental Plateau : Figuig ( Chavanon et al. 2004 ; Mabrouki et al. 2018 ). Middle Atlas : Béni-Mellal ( Jäch 1992b ) . High Atlas : Ouarzazate and Marrakech ( Jäch 1992b ) . Anti Atlas : Taroudant ( Jäch 1992b ) .