Aspects of the behavior of the theraphosid spider Pachistopelma rufonigrum, in two species of tank bromeliads in an area with white sands in the Serra de Itabaiana, Sergipe, Brazil, are described. Observations on habitat, microhabitat, foraging, ecdysis and reproduction, were made. Our data suggested that P. rufonigrum inhabits only these species of bromeliads, since all stages of the life cycle were observed in the plant. The relationships degrees between P. rufonigrum and the species of studied tank bromeliads are discussed.
Behavior; Brazil; bromeliads tank; Pachistopelma rufonigrum; Theraphosidae
