Neumania (Soarella) flagellata Walter, 1930

Material examined. 0/2/0, Huay Wang Nong Reservoir, Ubon Ratchathani Province, 15° 15.596ʹ N, 104° 53.811ʹ E, 24-x-2010 ; 0/1/0, Huay Tubtan Dam, Sisaket Province, 9-ii-2011 .

Remarks. The species is widespread in the Oriental region. It was previously reported from Thailand by Imamura (1964).