Type Locality : Macho holotipo de rlo Frlo, SarapiquI, provincia de Heredia (UCR-468)
Etymology : The name refers to the contrasting color of the tarsus, which is a remarkable specific feature.
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