Abstract

ROSSO DE FERRADAS, Beatriz. Arrenuridae from the basin of the Paraná River, Argentina (Acari: Parasitengona: Hydrachnidia). Rev. Soc. Entomol. Argent. [online]. 2006, vol.65, n.3-4, pp.23-34. ISSN 0373-5680.

The females of the species Arrenurus (Arrhenuropsides) parviscutatus (Viets, 1954) and Arrenurus (Megaluracarus) santafesinus Rosso de Ferradás, 1973 are described for the first time. Detailed redescriptions of both species are provided. The species Arrenurus (Arrhenuropsides) parviscutatus (Viets, 1954), Arrenurus (Dadayella) projecta (Lundblad, 1938); Arrenurus (Megaluracarus) scopularis Lundblad, 1938 and Arrenurus (Megaluracarus) gladiiferus Lundblad, 1941, described from Paraguay, are mentioned for the first time for Argentina. For the mentioned species, new morphologic characteristics and meassurements by comparison with type material, and new data on their geographic distribution in Argentina are given.

Keywords : Neotropical water mites; Taxonomy; Distribution.

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