10. Nais communis Piguet, 1906

Nais communis Piguet. Chen 1940: 33 –34; Liang 1964: 644, 1979: 274; Wang 2002: 83 –84; Cui 2008: 61.

Material. Yarlung Zangbu River: ST5, 2 spms. Lhasa: ST8, 3spms; ST9, 1spm; ST10, 9 spms; ST11, 7 spms; ST12, 6 spms; Niyang River: ST29, 5 spms; ST32, 3 spms; Lake Nmco: ST57, 12 spms. Lalu Wetland: ST60, 13 spms.

Remarks. Cosmopolitan. First record from Tibet.