Water mites (Acari, Hydrachnidia) from Baishih River drainage in Northern Taiwan, with description of two new species Author Pesic, Vladimir Author Yam, Rita S. W. Author Chan, Benny K. K. Author Chatterjee, Tapas text ZooKeys 2012 203 65 83 http://dx.doi.org/10.3897/zookeys.203.3356 journal article http://dx.doi.org/10.3897/zookeys.203.3356 1313-2970-203-65 Monatractides cf. circuloides ( Halik , 1930) Material examined. ECL-BA-1: 07.vii.2009 1/1/0; 23.ix.2009 2/0; iv.2010 13/0; 01.vi.2010 1/0; vii.2010 29/0; 27.vii.2010 2/1/0. ECL-BA-2: 02.ix.2009 11/2(1juvenile)/0; ii.2010 57/0; iii.2010 3/1/1; iv.2010 0/2/0; vi.2010 2/2/0; 27.vii.2010 17/0; 29.ix.2010 5/0; 30.x.2010 1/0. ECL-BA-3: 01.vii.2009 1/0/0; 23.vii.2009 1/0/0; ii.2010 4/11/0; ii.2010 10/0; iv.2010 0/1/0; 27.vii.2010 1/0/0. ECL-BA-4: 02.vii.2009 1/0/0; ii.2010 2/1/0; iii.2010 6/4/0; iv.2010 0/1/0; vi.2010 1/0/0; vii.2010 19/0; 27.vii.2010 5/0/0; 30.x.2010 1/0. ECL-BA-5: iii.2010 1/1/0; 01.vi.2010 4/0/0; vii.2010 11/0; 07.vii.2010 1/0/0; 30.x.2010 1/0/0. ECL-BA-6: 17 .vi.2009 3/0; iii.2010 2/9/0; vi.2010 0/1/0; 01.vii.2010 1/0/0; 27.vii.2010 1/0/0; 29.ix.2010 1/0. Remarks. It is the most abundant species in our material. For an analysis of diagnostic characters of populations from Taiwan tentatively assigned to Monatractides circuloides see: Pesic et al. (2011) . Distribution. Malaysia, Thailand, Taiwan.