中国梨木虱在我国分布广泛,是我国北方梨产区最主要的害虫之一。20世纪90年代全国各梨产区都有该虫为害猖獗的报道。其传播速度快,年发生代数多,世代重叠严重,且易暴发成灾。为筛选出防治梨木虱的有效药剂,我们于2010年进行了防治梨木虱的田间药效试验,现将结果简介如下。 Pear lice in China is widely distributed in China, is one of the most important pests in northern pear producing areas. In the 1990s, there were reports of the pests being rampant in all the pear producing areas across the country. Its speed of propagation, annual occurrence of many generations, generations overlap serious, and prone to outbreaks. In order to screen out the effective pesticide against pear psylla, we carried out the field efficacy test against pear psylla in 2010, and the results are as follows.