Bythinus leonhardinus Reitter, 1882

Literature data: Varna (Karaman 1969); Vinishte (Langourov et al. 2018).

New data: Banitsa, N43.3391 E23.6850, 16– 29.06.2019, 1 ♂, leg. T. Ljubomirov ; Bregovo, Timok river bank, N44.1703 E22.6254, 29.9.2008, 5 ♂♂, 1 ♀, leg. P. Mitov ; Krasno gradishte, Rositsa river, N43.1833 E25.2216, 17.6.2022, 2 ♂♂, leg. R. Bekchiev ; Rusenski Lom, Ivanovo, N43.6959 E25.9888, 3.5.2022, 6 ♂♂, 1 ♀, leg. R. Bekchiev ; Shumen, Shumensko plato, N43.2461 E26.9032, 21.6.2019, 1 ♂, leg. R. Bekchiev ; Rositsa Village, N43.9461 E27.9178, 19.6.2012, 2 ♂♂, leg. R. Bekchiev, R. Kostova (NMNHS) .