草间小黑珠Erigonidium graminicola(Sundevall)是农田害虫捕食性蜘蛛中最主要的种类。其发生量常占田间总蛛量的70％以上,对飞虱、叶蝉、蚜虫等有很好的控制效果。然而在当前大量使用化学农药防治害虫时,同样给农田蜘蛛带来不良的影响,从而削弱了对害虫的自然控制作用。为此,对当前和今后大量使用的几种化学杀虫剂测定 Ergonidium graminicola (Sundevall) is the most dominant species of predatory spider in farmland pests. Its occurrence often accounts for more than 70% of the total amount of fields in the field, for planthoppers, leafhoppers, aphids and other good control effect. However, in the current large-scale use of chemical pesticides to control pests, the same crop spiders have a negative impact, thus weakening the natural control of pests. To this end, the current and future use of several chemical pesticides determination