Moraes, E.M. and Sene, F.M. 2003. Relationships between necrotic cactus availability and population size in a cactophilic <i>Drosophila</i> (Diptera, Drosophilidae) located on a sandstone table hill in Brazil. Revista de Biología Tropical. 51, 1 (Mar. 2003), 205–212.