一、分布与为害为害西瓜、甜瓜的潜叶蝇主要以美洲斑潜蝇为主。美洲斑潜蝇属双翅目、潜蝇科,俗称画图虫。原分布在巴西、加拿大、美国等30多个国家和地区,20世纪90年代传播到我国。除了为害西瓜、甜瓜外,还严重为害黄瓜、南瓜、番茄、辣椒、茄子、马铃薯、蓖麻、油菜、烟草、豇 First, the distribution and damage Harmful watermelon, melon leaf miner mainly in the main leaf miner. American Leafminer Diptera, Pluvidae, commonly known as drawing insects. Originally distributed in more than 30 countries and regions such as Brazil, Canada and the United States, it spread to our country in the 1990s. In addition to watermelon, melon damage, but also seriously cucumber, pumpkin, tomato, pepper, eggplant, potato, castor, rape, tobacco, cowpea