Nicsmirnovius eximius (Kiser, 1948) .

A rather rare littoral species occurred in autumn in several large lakes (A19, A20, A22, A31) and in one pond (A32). Few males were found in some of the lakes (A20, A22) and the pond (A32). A rheophilous species, commonly encountered in rivers and streams (Kotov & Sanoamuang 2004), also occurring in littoral zone of large lakes. N. eximius is predominantly a tropical species, common in South-East Asia, spreading north up to Central China (Sinev 2016; Ji et al. 2015). For a description see Kotov & Sanoamuang (2004).