我国贮粮害虫现有113种,最主要的是玉米象、谷蠹、麦蛾.不同的害虫发生规律不同,防治方法各异,现介绍几种用物理方法防治贮粮害虫.1、高温杀虫.一般贮粮害虫比较适宜温度约为18—35℃.温度升高到45—48℃时,绝大多数害虫即处于热眠状态.如果温度升高到48—52℃,经过一定时间就 There are 113 species of stored grain pests in our country, the most important ones are maize elephant, moth beetle and wheat moth.Different pests have different regularities and different control methods, Insects.General storage grain pests is more appropriate temperature is about 18-35 ° C temperature rises to 45-48 ° C, the vast majority of pests that are in a state of thermal sleep If the temperature rises to 48-52 ° C, after a certain period of time