Type Locality : Macho holotipo de San Isidro, Perez Zeledon, provincia de San Jose (UCR-228).
Etymology : It is derived from the name of Valle (The General), from which the known specimens.
Seven species of Sericopelma and 3 of Brachypelma are described as new and Brachypelma mesomelas (O.P. Cambridge), is redescribed and discussed. All diagnosis and key in English.
Brenesia 18: 259-288