蜘蛛是农林害虫的主要捕食性天敌之一。据调查,一般年份占水稻、棉花田间捕食性天敌总量的60—90％。可见农田蜘蛛是控制害虫的重要生物因素。为了摸清河南省蜘蛛种类和优势种群,更好地保护利用蜘蛛。特选择平原、丘陵、山区等环境对蜘蛛种类进行了调查。并初步鉴定30个科200种。 Spiders are one of the predatory natural enemies of agricultural and forestry pests. According to the survey, the general year accounted for 60-90% of the total amount of predatory natural enemies in rice and cotton fields. Visible farmland spiders is an important biological control of pests. In order to find out the spider species and dominant populations in Henan Province, the spiders are better protected and utilized. Special choice of plains, hills, mountains and other environments on the spider species were investigated. And initially identified 30 families and 200 species.