1995年我省才发现的检疫害虫——美洲斑潜蝇几年来给我省蔬菜生产带来了巨大损失。据我们1995～1998年研究发现该虫怕冷,在我省自然条件下任何虫态都不能过冬。每年春季大棚和露地蔬菜上发生的美洲斑潜蝇主要来自温室,而温室中又主要是种有瓜类、豆类和茄果类蔬菜的日光温室。该虫冬季在种有它好食的寄主温室中缓慢地发育、繁衍,为害不重,不易引起菜农的重视。但当温度 The quarantine pest that I discovered in 1995 in our province, Liriomyza sativae, has caused tremendous losses to our province’s vegetable production over the past few years. According to our research from 1995 to 1998, the insect was afraid of cold, and any insect state in our province under natural conditions can not wintering. The annual occurrence of spring plumage and open-field vegetables in the United States mainly from the greenhouse leaf miner, and greenhouse mainly is a kind of melons, beans and vegetables in the solar greenhouse. The insects in winter have good food in its host greenhouse slowly developed, multiply, harm is not heavy, not easy to cause vegetable farmers attention. But when the temperature