储粮环境中书虱猖獗发生的因子分析

近年来书虱逐渐成为储藏物环境中的优势害虫种群，严重危害储粮的品质．已引起粮食储运、植物检疫和卫生部门的高度重视。本文介绍了书虱的主要类群及生物学特性，指出其大量发生的危害性，系统讨论了在储粮环境中书虱猖獗发生的因子，指出书虱的生殖潜力及高温和高温等是有利于书虱种群发展的生态因子，而在储粮过程中采用的不恰当的熏蒸和气调处理措施则是导致书虱暴发的主要原因。

FACTOR ANALYSIS ON THE OUTBREAK OF BOOKLICE IN STORED GRAIN

In recent years ,psocids have been becoming dominant population and give serious damage to the quality of stored grain.The departments of grain storage,plant quarantine and hygiene pay much attention to it.This paper introduced the main groups and the biological charcters of booklice,pointed out the harmfulness to the grain.Based on the analysis of the factors affecting rampant occurrence of booklice in the stored product environment,it was pointed out that the ability of reproduction in a short time,high temperature and moisture were benefit to the population growth,but improper measurements of fumigation and controlled atmosphere were the key factors which lead to the outbreak of booklice.