目前在森林害虫测报中所应用的回归分析、判别分析、聚类分析等数理统计方法，是通过影响森林害虫发生的食料、气候、天敌、人为活动等因素作为测报因子的，其分析结果比较全面、系统。但是，森林害虫虫情及其影响因素的调查涉及面广、工作量大，当林业单位尚未全面进行系统测? At present, regression analysis, discriminant analysis, cluster analysis and other mathematical statistics methods used in forest pests detection and reporting are all factors that affect the occurrence of forest pests such as foodstuffs, climate, natural enemies and human activities, and their analysis results are relatively comprehensive ,system. However, the investigation of insect pest and its influencing factors in forest involves a wide range of work and large amount of workload. When the forestry unit has not yet conducted a systematic measurement