近年来,随着蔬菜保护地栽培的发展,在瓜茄、豆类蔬菜上常发现一种白色小飞虫,成群结队,驱之不散,杀之不绝。菜农称之白翼仔、小白蛾,此虫就是白粉虱。白粉虱成虫和若虫吸食植物汁液,使叶片褪绿、变黄、萎蔫至枯死。分泌排泄的蜜露污染叶片和果实,引起煤烟病的大发生,整株或部分变黑色,使蔬菜减产、质劣、甚至 In recent years, with the development of cultivated vegetables in the protection of the melon, beans, vegetables often found a white flying insects, in groups, driving away, kill absolutely. Farmer called white wing Aberdeen, white moth, this insect is whitefly. Adults and nymphs of whitefly use plant juice to make the leaves chlorotic, yellowing, wilting to withering. Secretion of excreted honey dew polluted leaves and fruits, causing a large occurrence of soot disease, the whole plant or part of the black, so that the production of vegetables, quality, and even