Perla bipunctata Pictet, 1833

Material examined. High Atlas: Marrakech, Tensift v.: Ourika v., Setti Fatma r., 1690 m, 25.06.2009, 5L (ERR); Anfli r., 1700 m, 4L (ABD). N’Ouarzane v.: Oussaden r., 1750 m, 15.07.2005, 1 male, 1 female, 2L. Aït Mizane v.: Matate r., 1600 m, 19.09.2004, 5L (ABD).

Distribution (Fig. 3). This species occurs in Central, Southern and Western Europe, in the Iberian Peninsula (Tierno de Figueroa et al. 2005) and North Africa (Consiglio 1980, Sánchez-Ortega et al. 2003, Tierno de Figueroa et al. 2003). It was reported from Algeria (Lestage 1925) and Moroccan High Atlas (Aubert 1956, 1961, Meinander 1967, Miron 1972, Ajakane 1988, Bouzidi 1989, Badri 1993, and Bouzidi & Giudicelli 1994).

Ecology. A fluvial species typical of large rivers (Aubert 1959, Consiglio 1979, 1980) but also present in smaller permanent rivers and streams with stony substrate (Hynes 1941, 1976). The larva is a nocturnal predator (Elliott 2003, 2004). Adults emerge in spring (Aubert 1959, 1963a, Berthélemy 1966). This is a very rare species that has been listed as endangered in wide parts of its range (Zwick 1984a).