Tunceli province Pülümür and Ovacik districts Ephemeroptera (Insecta) fauna

With this study, 2142 nymph samples were colected from 11 stations determined between March 2019 and July 2020 in order to determine the Ephemeroptera fauna flux of the streams in Ovacık and Pülümür districts of Tunceli province and the species idendification was made. At 11 stations, 19 species belonging to 9 genara in 5 families identified (Baetis rhodani, B. vernus, B. lutheri, B. pavidus, B. melanonxy, B. milani, B. vadimi, Alainites muticus, Epeorus alpicola, E. znojkoi, E. caucasus, Heptagenia coerulans, Rhithrogena germenica, R. semicolorates, R. zelinkai, Ecdyonurus picteti, Habrophlebia confusa, Oligoneuriella orantensis, Caenis macrura). 16 of the identified species were reported for the first time in the province of Tunceli. 3 group belonging to the genus Electrogena and having different taxonomic characters from the species previously described were identified and labeled as Electrogena sp.1, Electrogena sp.2 ve Electrogena sp.3. İn this study, the diagnostic characteristics of the identified species and their distribution in Turkey are given. İn addition, the photographs of the taxonomic characters of each species were taken.