Insecticidal Effect and Residual Action of Fenitrothion and Esfenvalerate on Sitophilus oryzae and S. zeamais (Coleoptera: Curculionidae) in Stored Maize and Wheat - Vásquez-Castro, J. A; Baptista, G. C. de; Gadanha Jr., C. D; Trevizan, Luiz R. P (ISRN Agronomy, 2012)