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柑桔锈壁虱(Phyllocoptruta oleivorus Ashmead)是柑桔的重要害虫,目前生产上对此虫均采用化学防治。由于常年多次用药,害虫产生抗药性,同时也削弱了天敌的自然控制作用,因而不能得到满意的防治效果。1981年以来,作者在浙江黄岩桔产区开展生物农药杀蚜素防治柑桔锈壁虱的试验,在试验树上发现一种捕食性螨——镰螯螨(Tydeus sp.),对控制柑桔锈壁虱有较好的作用,现将初步研究结果,报道如下。
Citrus rust tick (Phyllocoptruta oleivorus Ashmead) is an important citrus pests, the production of the insects are currently using chemical control. Due to perennial drug use, pests produce resistance, but also weakened the natural control of natural enemies, and therefore can not get a satisfactory control effect. Since 1981, the author carried out the experiment of biocidal pesticide aphid controlling citrus rust on tick in Huangyan orange producing area of Zhejiang province, and found a predatory mite, Tydeus sp. On the experimental tree, Orange rust ticks have a better effect, now the preliminary findings, reported as follows.