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据1987~1988年在贵阳观察,柑桔红蜘蛛(Panonychus citri Mcg)在田间发生盛期为6月下旬至7月中旬。以6月下旬至7月上旬为施药适期。间泽钝绥螨(Amblysclus aizawaiEhara et Bhandhu-falck)于7月初开始出现,8月中旬发生数量已超过柑桔红蜘蛛。百叶 数为18.8头,益、害 比为1.34:1。自8月中旬后,间泽钝绥螨一直处于优势,可将柑桔红蜘蛛平均叶片虫数控制在1头以下,是抑制柑桔蜘蛛红的优势天敌。
According to the observation from 1987 to 1988 in Guiyang, the peak of Panonychus citri Mcg occurred in the field from late June to mid July. In late June to early July for the application of medication. Amblysticlus aizawaiEhara et Bhandhu-falck began to appear in early July, with the number exceeding that of citrus red spider in mid-August. The number of louvers is 18.8, and the ratio of benefit to damage is 1.34: 1. Since mid-August, Azure Amblyseius has always been in the dominant position, the average number of citrus red spider can control the number of leaf-blade insect below 1, is the dominant natural enemies of citrus spider red inhibition.