麦红吸浆虫Sitodiis mosellina Gehin.是当前威胁黄淮流域小麦生产的重要害虫。在其调查中,长期采用传统的五点取样法,即每点取0.25平方市尺,深6市寸,这既不符合国际单位制,同时准确性也差。在进行虫口数量比较时,同一块地相差悬殊,究其原因与抽样技术有关。因而研究该虫在土壤中分布型及其抽样技术,具有重要的理论与实践意义。1 材料与方法 Sitodiis mosellina Gehin is an important pest currently threatening wheat production in the Huang-Huai basin. In its investigations, the traditional five-point sampling method was adopted for a long period of time, that is, 0.25 square feet per square inch and 6 square inches were taken for each point, which is neither in conformity with the International System of Units nor at the same time with poor accuracy. The number of insects in the mouth when compared with a great difference, the reason and sampling technology. Therefore, it is of great theoretical and practical significance to study the distribution patterns and sampling techniques of this pest in soil. 1 materials and methods