绒毛害虫对各种畜产品如绒毛、张皮、及其制成品都可造成损害,是畜牧业生产及毛纺工业的大敌。据有关部门统计,全区每年因此造成的直接经济损失达8000多万元。目前对于绒毛害虫的防治没有切实有效的方法,大多采用传统的“樟脑”投放防虫。由于使用时间长,而且用药面广,虫体产生了耐药性,往往投药不见效。1990年通过研 Villus pests on a variety of livestock products such as villi, Zhangpi, and their products can cause damage, is the livestock production and wool industry’s enemy. According to the statistics of relevant departments, the direct economic loss caused by the whole area amounts to over 80 million yuan each year. At present there is no practical and effective method for the prevention and control of villus pests, most of which use the traditional “camphor” for pest control. Due to the use of a long time, but also a wide range of drugs, parasites produced resistance, often ineffective administration. In 1990 through the research