Ochthebius (Ochthebius) quadrifossulatus Waltl, 1835 Material examined. Rif and Pré-Rif: Chefchaouen (first record). 2 m, S152, 07. V.2005. Ouezzane (first record). 2 m, 3 f, S168, 18.IV.2006. 2 exs., S345, 11.IV.1998. Sidi Kacem. 8 m, 8 f, S140, 18.IV.2006. 2 m, 5 f, S146, 18.IV.2006. 7 m, S161, 18.IV.2008. 1 m, S162, 24.IV.2006. 2 m, 9 f, S163, 22.IV.2006. Taounate. 48 m, 50 f, S27, 19.IV.2006. 28 m, 70 f, S121, 19.IV.2006. 3 m, 12 f, S194, 20.VII.2006. 2 m, 3 f, S264, 19.IV.2008. Taza (first record). 2 m, 1 f, S198, 15.IV.2008. 4 exs., S323, 06.IV.1998. 1 m, S223, 21.IV.2008. 6 exs., S348, 30.III.1997. Oriental Plateau: Figuig (first record). 5 m, S167, 18.IV.2006. Central Plateau: Kénitra (first record). 1 m, S71, 17.IV.2008. Middle Atlas: Khénifra (first record). 3 m, 2 f, S136, 18.IV.2006. 1 m, S180, 19.IV.2008. High Atlas (first record): Marrakech. 1 m, S295, 15. VI.2004. Chorotype. Endemic Ibero-Maghrebian. Distribution in North Africa. Algeria, Morocco and Tunisia (Jäch & Skale 2015). Moroccan distribution. Rif and Pré-Rif: Al Hoceima, Taounate and Sidi Kacem (Bennas et al. 2001). Oriental Plateau: Jerada (Mabrouki et al. 2018). Central Plateau: Casablanca (Jäch 1990b). Middle Atlas: Fès (Kocher 1958; Jäch 1990b) and Ifrane (Kocher 1958).

Published as part of Benamar, Loubna, Bennas, Nard, Hassoun, Mustapha & Millán, Andrés, 2022, Checklist of Moroccan aquatic beetles (Coleoptera: Hydraenidae Mulsant, 1844) New records and updates, pp. 451-504 in Zootaxa 5129 (4) on page 468, DOI: 10.11646/zootaxa.5129.4.1, http://zenodo.org/record/6503966