Mahir Gajević (1), Sadbera Trožić-Borovac (1), Rifat Škrijelj (1), Samir Đug (1), Aldijana Mušović (1), Senad Šljuka (1) (1) Faculty of Science Sarajevo, Bosnia and Herzegovina Abstract  The results of long-term investigations of the species from the family Perlodidae Klapalek, 1912 from the basins of the rivers Vrbas, Bosnia, Drina and Neretva have been presented […]