Sixteen years of biological control of Diatraea saccharalis (Fabr.) (Lepidoptera: Pyralidae) by Cotesia flavipes (Cam.) (Hymenoptera: Braconidae), in the State of São Paulo, Brazil - Macedo, Newton; Araújo, José R. de; Botelho, Paulo S. M. (Anais da Sociedade Entomológica do Brasil, 1993)