Arrenurus (Rhinophoracarus) gracilipes Piersig, 1906

Material examined. 0/5/0, Nong Chang Yai Reservoir, Ubon Ratchathani Province, 15° 23.874ʹ N, 104° 49.756ʹ E, 25-x-2010 ; 1/0/0, Nong Ya Ma Reservoir, Roi-Et Province, 16° 01.783ʹ N, 103° 40.894ʹ E, 12-ii-2011 ; 1/0/0, Bueng Nong Khon swamp, Ubon Ratchathani Province, 15° 19.315ʹ N, 104° 43.049ʹ E, 11-ii-2011 .

Remarks. The species was previously known from Sumatra, Java, India and Australia (Smit 2002). The present record is the first time from Thailand.