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美洲斑潜蝇(Liriomyza sativaeBlanchard)是近几年新传入我国的一种世界性检疫害虫,主要危害各种蔬菜作物。由于该虫在山东省自然条件下不能越冬,因此山东冬春保护地蔬菜就成为美洲斑潜蝇危害和越冬的主要场所。做好保护地蔬菜美洲斑潜蝇的防治,不但保护了大棚蔬菜的正常生长,同时也起到了消灭越冬虫源、减轻大田危害的作用。一、发生、危害特点 (一)危害特点美洲斑潜蝇的寄主主要是葫芦科、豆科、茄科等三个科的植物。在保护地蔬菜上主要危害黄瓜、丝瓜、菜豆、青椒、番茄、茄子等蔬菜。美洲斑潜蝇动虫取食叶片正面表皮下的栅栏组织,虫道初为针尖状,后为典型的蛇形虫道,紧密盘绕并有一定的规律,通常为白色。随着幼虫成熟,虫道逐渐变宽较均匀,虫
Liriomyza sativae Blanchard is a worldwide new quarantine pest newly introduced into our country in recent years, and it mainly harms all kinds of vegetable crops. As the insects can not wintering in the natural conditions of Shandong Province, Shandong winter and spring protected vegetables become the main venom damage and overwintering of Liriomyza sativae. To do a good job in the prevention and control of vegetable peacock moss, not only to protect the normal growth of greenhouse vegetables, but also played a role in eliminating overwintering insect pest and alleviating the damage of the field. First, the occurrence of the characteristics of harm (A) hazardous characteristics The host of the leaf plum is mainly Cucurbitaceae, leguminous, Solanaceae and other plants in three families. Protected vegetables in the main hazards cucumber, loofah, beans, green peppers, tomatoes, eggplant and other vegetables. The American lizard moths feed on the palisade tissue under the frontal epidermis of the leaves. At the beginning of the larva, the tip of the larvae is a needle-pointed shape. The latter is a typical serpentine worm and is closely coiled and has a regular pattern, usually white. As the larvae mature, the worm becomes wider and more uniform