母系定居频次调查法是根据褐飞虱的发生,是迁入雌成虫以其定居定为中心繁殖发展的观点建立的一种田间虫情调查方法。这种方法简化了原有调查内容,减少了调查次数,工作起来方便,只需在7月底前做1次面上调查,掌握当地褐稻虱迁入的虫源基数,就能较早地为当年制定防治对策提供依据。 Maternal settlement frequency survey method is based on the occurrence of brown planthopper, is moved into the female adults to settle as the center of the development of breeding point of view to establish a field of insect investigation methods. This method has simplified the original survey content, reduced the number of investigations and made it easy to work. Just by conducting an on-the-surface survey before the end of July, it is possible to understand the loci of the local population of brown planthopper moved in earlier Year to develop prevention and control measures to provide the basis.