茶跗线螨是世界性害螨,在我国四川、贵州、江苏、浙江、湖北、湖南等省均有分布。该螨除为害茶树外,还加害大豆、辣椒、蕃茄、柑枯、花生、棉花等多种作物。每年为害茶树的时间长达6个月,年产量损失可达20％,严重时,夏、秋茶无收,该螨对茶叶生产已构成了一大威胁。七十年代以来,由于长期单纯使用化学农药防治,导致该螨产生抗药性,引起污染环境等一系列问题。 Sarcoptic line mites are worldwide pest mites and are distributed in Sichuan, Guizhou, Jiangsu, Zhejiang, Hubei and Hunan provinces in China. In addition to the mite damage to tea, but also damage soybeans, peppers, tomatoes, orange, peanuts, cotton and other crops. Tea tree damage each year up to 6 months, the annual loss of up to 20%, serious, summer, autumn tea confiscated, the mites on tea production has posed a major threat. Since the seventies, due to long-term use of chemical pesticides alone, resulting in resistance to the mites, causing environmental pollution and a series of problems.