黄瓜潜叶蝇是一种以危害黄瓜叶片为主的危险性害虫。此虫除危害夏秋黄瓜外,各种瓜类、茄果类、叶菜类、粮油作物及阔叶杂草也都受害。据了解,受害区域已波及到华东、华北及中原地区。严重暴发时黄瓜无一幸免。 幼虫在叶片中间取食叶肉,并在叶片内钻洞成长,所钻隧道呈白色。从叶面观看似断线头,曲折拐弯,严重的叶片干枯并脱落,功能叶受害最重。其严重危害期为每年的7—9月。 由于此害虫生存在叶片内,一般触杀及胃毒作用的杀虫剂对它无效,表现出惊人的顽固性。笔者对此虫在防治方 Cucumber leafminer is a dangerous pest that damages cucumber leaves. In addition to the insects endanger summer cucumber, a variety of melons, solanaceae, leafy vegetables, oil crops and broadleaf weeds also suffer. It is understood that the victimized area has spread to East China, North China and the Central Plains region. Cucumber outbreaks were spared when the outbreak was severe. The larvae fed the mesophyll in the middle of the leaves and grew holes in the leaves to drill white tunnels. Seeing from the foliage, it seems like a broken thread, twists and turns, serious leaves dry off and falls off, and the functional leaves suffer the most. The serious damage period is from July to September every year. As this pest lives in the leaves, insecticides that are normally exposed to the stomach and poisoned by stomach poison are ineffective and show astonishing persistence. The author of this worm in the control side