The results the toxicity of Sitopylus oryzae (adult ,Tribolium castaneum (adult,larvae) from Table 7. The concentrations of 0.3 ppm was found cypermethrine is due to the LT50 18.992 min, 19.599 and 21.018minutes , followed by the concentration of 0.2 ,0.1 ,0.05 and control respectively,