Arrenurus (Arrenurus) rouxi Walter, 1915

Material examined. 1/2/0, Chiang Saen Lake, Chiang Rai Province, 20° 15.701ʹ N, 100° 02.830ʹ E, alt. 360 m a.s.l., 19-xi-2007, leg H. Smit; 0/1/0, Pond between Kaeng Krachan and Tha Yang, Phetchaburi Province, 12° 56.131ʹ N, 99° 48.543ʹ E, alt. 11 m a.s.l., 30-xi-2007, leg H. Smit; 0/1/0, Huay Wang Nong Reservoir, Ubon Ratchathani Province, 15° 15.596ʹ N, 104° 53.811ʹ E, 24-x-2010; 1/4/0, rice field, Ubon Ratchathani Province, 15° 23.604ʹ N, 104° 48.907ʹ E, 25-x-2010; 0/1/0, Roadside pond, Sisaket Province, 15° 05.462ʹ N, 104° 19.832ʹ E, 9-ii-2011 ; 1/0/0, Rock pool, Maha Sarakham Province, 2-xi-2016 ; 0/2/0, pond next to Science Faculty building, Mahasarakham University, 16° 14.868ʹ N, 103° 15.014ʹ E, 2-xi-2016 .

Remarks. The species is widespread in the Oriental region and China (Jin & Wiles 1996). It is new for the fauna of Thailand.