Contribution To The Knowledge Of The Moroccan High And Middle Atlas Stoneflies (Plecoptera, Insecta) Author Vinçon, Gilles 55 Bd Joseph Vallier, F 38100 Grenoble, France E-mail: vincon @ kls-logistic. fr vincon@kls-logistic.fr Author Alami, Majida El Université Abdelmalek Essaadi, Faculté des Sciences de Tétouan, Laboratoire Diversité et Conservation des systèmes biologiques (LDICOSYB), BP. 2121, 93000 Tétouan, Maroc. E-mail: majidae @ hotmail. com majidae@hotmail.com Author Errochdi, Sanae Université Abdelmalek Essaadi, Faculté des Sciences de Tétouan, Laboratoire Diversité et Conservation des systèmes biologiques (LDICOSYB), BP. 2121, 93000 Tétouan, Maroc. E-mail: errochdi _ sanae @ yahoo. fr errochdi_sanae@yahoo.fr text Illiesia 2014 10 3 17 31 journal article http://doi.org/10.5281/zenodo.4760483 e4d5c08b-7e5b-4747-9743-211bddc9eb3a 1854-0392 4760483 FBAF1DBA-3ADC-4B7B-8C91-EBC68B716CC2 Siphonoperla lepineyi (Navás 1935) Material examined. High-Atlas : Ourika Valley , above Oukaimeden ski station, brook and spring, 2800 m , 3.06.200 6, 19♂ , 15♀ ( VIN ). Distribution. Moroccan endemic species occurring in the Rif, Middle-Atlas and High-Atlas. Ecology. A strongly orophilic species which occurs mainly in the highest points of the Moroccan mountain ranges, up to 1800 m in the Rif ( Errochdi et al . 2014 ), 2150 m in the Middle-Atlas ( Giudicelli & Dakki 1984 ) and 3300 m in the High-Atlas ( Aubert 1956 ). The flight period extends between May and July, according to the altitude.