Efficacy of Cinnamoum camphora oil, Chinese cinnamon oil and Luicium verum oil which were selected from eight plant volatile oils against the stored grain instcts (Sitophilus zeamais, Rhizopertha dominica,Tribolium confusum) was studied.

• 从天然植物中提取的挥发油经初步试验筛选出8种杀虫效果突出的植物，以黄樟油、肉桂油、八角油对试虫(玉米象、谷蠹和赤拟谷盗)作用方式的测定发现，这些植物挥发油具有强烈的熏杀和触杀作用，而且具有用量低，致死作用迅速等特点。