Toxicity of Ethanolic Extract of Croton heliotropiifolius in Weevil Populations of Stored Maize Grains

L.B. Silva, E.B. Torres, K.F. Silva, J.S.N. Souza, M.S. Lopes, L.H. Andrade and Z.F. Xavier

Journal of Entomology 9 ( 6 ): 413 - 421 , 2012