上海蔬菜受潜叶蝇危害的趋势加重李惠明（上海市蔬菜科学技术推广站）潜叶蝇是蔬菜上常见的害虫种类，虽能寄生多种作物，但上海历年的发生与为害都较轻而不被重视。今年八月以来，特别是入秋以来，潜叶蝇为害蔬菜的种类增多、发生面积大、受害程度则是历年所罕见的。据撑... Shanghai vegetables are more likely to be endangered by leaf miner Li Huiming (Shanghai Vegetable Science and Technology Promotion Station) Leaf miner is a common pest species in vegetables. Although it can parasitize many kinds of crops, its occurrence and damage are relatively mild in Shanghai Not being taken seriously. Since August this year, especially since the beginning of autumn, there has been an increase in the types of leaf-miner-harvested vegetables and their occurrence in large areas. The degree of victimization is rare in previous years. According to support ...