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于1982～1984年对山楂斑叶甲(Paropsides soriculata Swartz)的饲养观察、调查研究和防治试验结果表明:斑叶甲在锦屏县一年发生一代,成虫和幼虫均为害梨树,尤以4月下旬幼虫为害最甚。三龄前幼虫食量小且集中为害,是药剂防治的最佳时期。加强梨园管理,恶化其繁殖环境,保护利用天敌──奇变瓢虫,适时药剂防治,能有效控制其为害。
The observation, investigation and control of Paropsides soriculata Swartz from 1982 to 1984 showed that the occurrence of a generation occurred in Jinping County for one generation. Both adult and larvae were damaged pear, especially 4 The worst larvae in late May. Before the third instar larvae eat small and concentrated damage, is the best period of chemical control. To strengthen the management of pear orchard, to aggravate its breeding environment, to protect and utilize natural enemies - odd change ladybugs, timely prevention and treatment of chemicals, can effectively control its damage.