R. dominica are controlled very well with 400mg/kg when the DE is applied in practice, but C. pusillus with 70mg/kg.

• 在应用时从经济、有效的原则考虑,建议防治以谷蠹为主要害虫的储粮时以400mg/kg的剂量,防治长角扁谷盗时则以70mg/kg即可。