Rhyacophila Rhyacophila munda McLachlan 1862 Rhyacophila urgl Malicky & Lounaci 1987 Rhyacophila munda McLachlan 1862 R. oreina Navás 1936 R. atlantica Navás 1936 Taxonomy and Distribution of Trichoptera in El Harrach Wadi (Northcentral Algeria) with the First Record of Hydropsyche incognita in North Africa Khettar, Sihem Haouchine-Bouzidi, Nawel Kherbouche-Abrous, Ourida Radi, Nora Elalami, Majida Beladjal, Lynda Zootaxa 2022 2022-03-29 5120 4 482 500 79GT F. J. Pictet 1834 F. J. Pictet 1834 [238,589,749,776] Insecta Rhyacophilidae Rhyacophila Animalia Trichoptera 3 485 Arthropoda genus    Rhyacophilais the only genus of this family found in Algeria. Two species were found and identified,  Rhyacophila munda McLachlan 1862and  Rhyacophila urgl Malicky & Lounaci 1987.   Rhyacophila munda McLachlan 1862  =  R. oreina Navás 1936, synonymized by Botosaneanu & Malicky, 1978. =  R. atlantica Navás 1936, synonymized by Botosaneanu & Malicky, 1978. The larva of this species has been described and diagnosed by Viedma & Garcia de Jalón (1980)and Vieira-Lanero (2000).   Algerian literature records. Tizi Ouzou, Aissi Wadi ( Lounaci et al. 2000; Malicky & Lounaci 1987). Djurdjura Mountains ( Sekhi et al.2016). Tlemcen, Tafna Watershed (Bemmoussa & Abdellaoui-Hassaine 2017).  International literature records. MOROCCO( Ajakane 1988; Alaoui 2006; Badri 1985; Bonada et al. 2008; Bouzidi 1989; Dakki 1986; El Agbani 1984; El Bazi et al.2017; Guellaf et al.2021; Hajji et al.2012, 2013; Khadri 2018; Lamri et al.2016a, 2016b; Mabrouki et al.2020; Ouahsine 1993; Tayoub 1989; Zerrouk et al.2021). PORTUGAL( González & Menéndez 2011). SPAIN( Bonada et al. 2004, 2008; González & Menéndez 2011; Martin et al.2014; Ruiz-Garcia et al.2006; Ruiz-Garcia & Ferreras-Romero 2008; Vieira-Lanero 2000). TUNISIA( Kraiem 1986; Kumanski 2006; Tobias & Tobias 2008).   Material studied.  ALGERIA, Blida, Hammam Melouane, Badour Wadi (S8) ( 36°28’43”N, 3°04’07”E), 410 ma.s.l.: 29.v.2010, 1 larva;   25.vi.2013, 1 larva;   22.ii.2013, 1 larva( CSK01). Maktaa Lazreg, Boumaane Wadi(S1) ( 36°27’27”N, 3°00’27”E) ,  270 ma.s.l.:  07.vi.2013, 1 larva( CSK02). Maktaa Lazreg, El Aach Wadi(S4) ( 36°28’17”N, 3°00’24”E), 200 ma.s.l.: 07.vi.2013, 8 larvae;   25.vi.2013, 1 larva;   22.iii.2013, 1 larva( CSK03).   Distribution. Algeria, Morocco, Portugal, Spain, and Tunisia.   Comment.We found this West Paleartic species for the first time in the study area. It belongs to the PararhyacophilaGroup ( Döhler 1950). It was collected in fast-flowing biotopes in the tributaries of the El Harrach Wadi ( Fig. 2) between only 200 and 410 ma.s.l. 3744203338 [414,1381,1335,1361] Algeria 36.47861 Blida 19 3.0686111 3 485 1 Blida 3744203301 [481,702,1370,1397] 2013-06-25 Algeria true 36.47861 Blida 19 3.0686111 3 485 1 1 Blida 3744203325 2013-02-22 CSK Maktaa Lazreg & Boumaane Wadi Algeria 36.4575 19 3.0075 3 485 CSK01 1 1 Blida 3744203305 2013-06-07 CSK Maktaa Lazreg & El Aach Wadi Algeria 270 36.47139 19 3.0066667 3 485 CSK02 1 1 Blida 3744203334 [838,1051,1442,1469] 2013-06-25 CSK Maktaa Lazreg & El Aach Wadi Algeria 270 true 36.47139 19 3.0066667 3 485 1 1 Blida 3744203314 [1063,1387,1443,1469] 2013-03-22 CSK Algeria 3 485 CSK03 1 1 Blida