March 2019

Relative susceptibilities of different populations of Sitophilus zeamais and Prostephanus truncatus to currently registered grain protectants in Zimbabwe

Sitophilus zeamais Motschulsky and Prostephanus truncatus (Horn) are the two most destructive post-harvest insect pests of maize worldwide. Bioassays were carried out to determine the efficacy of commercially available dilute dust grain protectants (pseudonamed protectant A, B, C, D, E and F) in controlling S. zeamais and P. truncatus under laboratory conditions. The products tested were: Hurudza® (fenitrothion 1.7%...

Author(s): James Machingura