Abstract: As one of the Corrodentia Liposcelididae Liposcelis insects, psocids is a common kind of insects often appearing in granary, library and home, and less found in experimental animal barrier environment. The psocids was observed in the IVC exhaust pipeline of the barrier animal facility in our institute. The threat was then controlled by means of IVC pipeline cleaning, dichlorvos disinfection and reducing humidity of barrier environment. In this paper, we present the onset process of psocids, several measures to eliminate psocids and their effects. The possible routes of psocids transmission,the reason or basis of disposal method , and the potential risks caused by psocids to a laboratory animal barrier facility are discussed also.

Key words: psocids, animal barrier facility, independent ventilation cages(IVC), dichlorvos

摘要： 书虱属啮虫目虱科昆虫，是粮仓、图书馆及家居生活中较常见的一类昆虫，较少出现在实验动物屏障环境中。本单位在屏障动物房IVC排风管道中发现书虱爆发，经采取管道清洗、敌敌畏消杀及降低湿度等措施，控制了书虱爆发，清除了病原威胁。本文对书虱爆发的经过、处置方法及效果进行了介绍，并对书虱的来源、处置方法的选择及书虱对实验动物屏障设施的潜在风险进行了探讨。

关键词: 书虱, 屏障设施, 独立通风笼具(IVC), 敌敌畏