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 valdiviensis K.O. Viets, 1964 Material examined— Argentina . Río Negro Province : 1/1/0, Manso River, Nahuel Huapi NP, 41°20.858 S , 71°36.300 W , alt. 817 m asl, 17-ii-2018 . Distribution — Previously known from Chile (K.O. Viets 1964 , 1968 ) and Argentina ( Cook 1980 , Rosso de Ferradás et al. 1987 ).