In the south of Cuba's central region is one of the country's main mountainous areas: the Guamuhaya Mountains, often referred to as El Escambray. With an extension of 80 km and oriented from east to west, this orographic system constitutes an important center of evolution of the Cuban biota (Samek, 1973; Iturralde-Vinent, 1988). The spider fauna that inhabits the Guamuhaya Mountains, in the south-central region of the island of Cuba, consists of 239...