Moraes, E. M.; Sene, F. M. Relationships Between Necrotic Cactus Availability and Population Size in a Cactophilic <i>Drosophila</i≫ (Diptera, Drosophilidae) Located on a Sandstone Table Hill in Brazil. Rev. Biol. Trop. 2003, 51, 205–212.