现行的虫情调查(监测)法皆实行顺序抽样或顺序一随机抽样。其抽样量(N)固定,但误差概率不一致,缺乏可比性,且不便序贯抽样的连续进行。在今后的害虫综合治理中,田间虫情监测将对决策提供重要依据,序贯抽样的监测方法必须将成为重要的手段。为满足此要求,我们设计了一个可变抽样量 The current law of insect surveys (monitoring) are implemented by sequential sampling or random sampling sequence. The sample size (N) is fixed, but the error probability is inconsistent, the lack of comparability, and inconvenient continuous sampling sequential. In the future integrated pest management, monitoring of insect pests in the field will provide an important basis for decision-making. The sequential sampling monitoring method must become an important means. To meet this requirement, we designed a variable sample size