The result indicated that: the lethality rate of Tribolium confusum,Oryzaephilus surinamensis,Rhyzopertha dominica treated with 4 000 mg/kg Bt var.kurstaki(HD-1) preparation was 47.8%,29.2%,25.0% respectively.

• 实验室研究结果表明；浓度为4 000 mg/kg的苏云金杆菌库斯塔克变种HD 1菌株制剂可杀死杂拟谷盗种群的47.；8%25、锯谷盗种群的29