Lethaxona pygmaea K. Viets, 1932

Material examined: IR32 Chahar Mahal and Bakhtiari Province, Mian Rudan stream near Mian Rudan (between Chelgerd and Dimeh), approximately 2100 m asl., 01.08.2003, leg. Pesic (0/9/1).

Remarks: Hyporheobiontic species. This is the first record from Iran.

Distribution: Central Europe, Spain, French Pyrenees, Italy (Sardinia, Sicily), Balkan, Iran.