稻蓟马在上海郊区主要有稻蓟马、稻管蓟马两种。成虫、若虫都锉吸水稻汁液。除为害水稻外,还为害小麦、玉米、烟草等,是水稻秧苗和分蘖期的主要害虫。秧苗受害后,先在叶尖出现黄白色小点或微孔,叶尖两边向内折卷萎枯,以后逐步向下延伸,扩大卷折面积,严重时,成片秧苗枯死似火烧 Rice thrips in the suburbs of Shanghai are mainly rice thrips, rice thrips two. Adult, nymphs are filing rice suck rice juice. In addition to damaging rice, but also damage to wheat, corn, tobacco, rice seedling and tillering of the main pests. Seedling victims, first in the tip of the yellow-white dots or micropores, leaf tips curled inwardly on both sides, and then gradually extended down to expand the roll area, serious, into pieces of seedlings withered like fire