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近年来,浙江省黄岩县百丈柑桔场经过调查,十分注意结合利用自然天敌防治柑桔害虫。做到以虫治虫,以菌治虫,化学防治与生物防治相结合,初步取得一些成效。大红瓢虫及黑腹红瓢虫。我场孙家汇队有温州蜜柑30余亩,去年六月下旬部分桔树发生吹绵蚧,个别树很严重。当时打算喷药防治。在有的桔树上发现大红瓢虫及黑腹红瓢虫,将它转移到别株树上,到今年六月下
In recent years, Huangyan County, Zhejiang Province Baizhang citrus field after investigation, with great attention to the use of natural enemies to control citrus pests. To do insect pests to bacteria pest control, chemical control and biological control combined with some initial results achieved. Red ladybugs and black belly red ladybugs. My field Sunjiahui team has more than 30 acres of mandarin orange, yellow fever in some orange trees in late June last year, individual trees are very serious. At that time, I plan to spray prevention and treatment. In some orange trees found red ladybugs and black belly ladybugs, it will be transferred to another tree, in June of this year