虫的危害。但是书虱和螨类没有灭绝,各个仓库不同程度的存在,个别库发展较为严重。1书虱的基本情况书虱是啮虫目害虫,咀嚼式口器,主要危害粮食碎屑及加工制成品,生活习性1年产生3～4代,以卵越冬,雌虫一生可产卵20～136粒,散产或集产于温暖的尘芥碎屑等处,成虫、若虫爬行迅速,常 Harm of insects. However, lice and mites are not extinct, and various warehouses exist in varying degrees, and the development of individual libraries is more serious. The basic situation of a book louse Book louse is a mesh insect pests, chewing mouthparts, the main hazards of food debris and processed products, living habits of 1 to 4 years to produce 3-4 generations of eggs overwintering, the female can lay eggs for life 20 ~ 136 grains, scattered or gathered in the warm dust debris and other places, adults, nymphs crawling rapidly, often