Contribution to knowledge of the Trichoptera of northwestern Algeria: New species records for the Algerian fauna and taxonomic remarks for the Maghreb fauna Author Bemmoussat-Dekkak, Soumya 0000-0002-8717-100X Laboratoire de Valorisation des Actions de l’Homme pour la Protection de l’Environnement et Applications en Santé publique, Université de Tlemcen, BP 119 13000 Tlemcen, Algérie & dekkaksoumia @ hotmail. fr; https: // orcid. org / 0000 - 0002 - 8717 - 100 X dekkaksoumia@hotmail.fr Author Abdellaoui-Hassaine, Karima 0000-0002-7568-8132 Laboratoire de Valorisation des Actions de l’Homme pour la Protection de l’Environnement et Applications en Santé publique, Université de Tlemcen, BP 119 13000 Tlemcen, Algérie & hassaine 69 @ hotmail. com; https: // orcid. org / 0000 - 0002 - 7568 - 8132 hassaine69@hotmail.com Author Sartori, Michel 0000-0003-3397-3397 Musée cantonal de Zoologie, Palais de Rumine, Place Riponne 6, 1005 Lausanne, Suisse & Département d’Ecologie et d’Evolution, Université de Lausanne, Biophore, 1015 Lausanne, Suisse & michel. sartori @ vd. ch; https: // orcid. org / 0000 - 0003 - 3397 - 3397 michel.sartori@vd.ch Author Zamora-Muñoz, Carmen 0000-0002-3037-1529 Departamento de Zoología, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain & czamora @ ugr. es; https: // orcid. org / 0000 - 0002 - 3037 - 1529 czamora@ugr.es text Zootaxa 2021 2021-11-16 5068 2 186 210 journal article 3513 10.11646/zootaxa.5068.2.2 a970ee4f-2a7e-4eee-a151-53ea3e2a5e93 1175-5326 5704327 6C5C6D12-09DC-4E2E-A02B-45404E534801 Setodes acutus Navás 1936 Material examined. Chouly wadi Yebder ( CH 1): 3 ♂ P, 17.vii.2014 ; 4 ♂ P, 25.v.2016 ; 2 ♀ P, 04.vii.2017 . Distribution. This West Palearctic species is endemic in the Maghreb ( Morse 2021 ; Neu et al. 2018 ). It has been reported from the Aures region in Algeria by Dambri et al. (2020) , in Morocco by El Alami & Dakki (1998) and Hajji et al. (2013) and in Tunisia by Malicky & Lounaci (1987) . In our study, this species was collected from a single site at 916 m a.s.l. where it shared the habitat with its congener S. argentipunctellus .