New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies Author Smit, Harry Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, the Netherlands. text Acarologia 2020 2020-04-29 60 2 371 389 journal article 8262 10.24349/acarologia/20204374 32aba51d-7618-467b-9ffe-7f430d20bc7f 2107-7207 4487883 Arrenurus quadrituberculatus K. Viets, 1937 Material examined— Surinam . 1/1/0, roadside pond along Afobakaweg, 5°36.266 N 55°05.988 W , alt. 13 m asl, 19-xi-2019 . Distribution — Known from Brazil (K. Viets 1937 , 1954a ), Paraguay ( Lundblad 1938 , 1944 , as A. expansiformis Lundblad, 1938 ), Surinam (K. Viets 1954a ) and Argentina ( Rosso de Ferradás 1977 ).