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 ( Asiobates ) dilatatus Stephens, 1829 Material examined. Rif and Pré-Rif : Larache. 2 m , S24, 03 .III.2010. 3 m , 1 f, S25, 04 .IV.2010. 2 m , S26, 10 .IV.2010. 2 m , S30, 06 .IV.2010. 1 m , 1 f, S33, 03 .IV.2010. 1 m , 1 f, S43, 04 .IV.2010. 1 m , S44, 10 .IV.2010. 1 m , S45, 04 .IV.2010. 1 m , S47, 05 .IV.2010. 1 f, S72, 05 .IV.2010. 1 m , S189, 02.IV.2010 . 3 m , S190, 04.IV.2010 . 1 m , S234, 05.IV.2010 . 1 m , S258, 05.IV.2010 . 1 m , S263, 15. VI .2006 . 1 m , S263, 04.IV.2010 . 1 m , 1 f, S265, 05.IV.2010 . 1 m , 1 f, S266, 06.IV.2010 . 1 m , S279, 06.IV.2010 . Ouezzane ( first record ). 1 ex. , S345, 11.IV.1998 . Sidi Kacem ( first record ). 1 f, S162, 24 .IV.2006 . Tanger . 6 m , 2 f, S148, 10 .VII.2006 . Tétouan. 3 f, S119, 25 .IV.2009 . 10 m , 10 f, S183, 18. V .2003 . Taza ( first record ). 2 exs. , S348, 05.IV.1998 . Central Plateau : Benslimane. 2 exs. , S383, 01.II.2009 . Kénitra ( first record ). 4 exs. , S348, 30.III.1997 . 81 exs. , S327, 12.IV.2007 . Middle Atlas : Ifrane. 6 exs. , S331, 01.IV.1997 . Boulemane ( first record ). 1 ex. , S325, 10.IV.1998 . Chorotype. Atlanto-Mediterranean. Distribution in North Africa. Algeria , Morocco and Tunisia ( Jäch & Skale 2015 ). Moroccan distribution. Rif and Pré-Rif : Tanger (Orchymont 1935; Kocher 1958 ; Jäch 1990a ), Tétouan ( Jäch 1990a ; Bennas et al. 2001 ), Chefchaouen, Larache and Al Hoceima ( Bennas et al. 2001 ). Central Plateau : Casablanca ( Kocher 1958 ) and Benslimane ( Hernando et al. 2008 ). Middle Atlas : El Hajeb ( Kocher 1938 ) , Ifrane ( Kocher 1958 ) and Khénifra ( Chakour et al. 2017 ). High Atlas : Marrakech (Orchymont 1935; Kocher 1958 ; Jäch 1990a ).