AbaycosaAbaycosa is a genus of spiders in the family Lycosidae.DistributionAbaycosa is found in South America, from Brazil to Argentina.EtymologyThe genus name is a combination of "Abáy" and the common lycosid ending "-cosa". "Abáy" mens "spider" in the indigenous Chaná language that is spoken in the basins of the Paraná and Uruguay rivers.Species, this genus includes two species:Abaycosa nanica – Bolivia, Brazil, Paraguay, Uruguay, ArgentinaAbaycosa paraguensis – Paraguay, Uruguay, Argentina