Insects cause heavy losses of stored grain quantitatively and qualitatively throughout the world. Synthetic insecticides are currently the method of choice to protect the stored grains from insect damage, however, their widespread use has led to the development of pest strains resistant to insecticides. Also there is a demand for safer insecticides because of concerns about insecticide residues on grain and health hazards to grain handlers. Hence, an alternative to synthetic insecticides is of utmost... Mehr