这些年来,晚稻褐飞虱的危害可谓防不胜防,农技部门和广大稻农在晚稻中后期,几乎都是严阵以待,但不少地方仍然出现部分晚稻“穿顶”倒伏,对生产造成了不应有的损失。晚稻褐飞虱是迁飞性大害虫,其成虫、若虫均可危害,该虫于稻丛下部吸食稻株汁液,消耗稻株营养,并分泌有毒物质引起植株中毒萎缩,成虫产卵时以产卵器刺破稻株茎秆和叶片组织,使稻株水分丧失。由于刺吸取食,在水稻植株上留下 In recent years, the harm of late rice BPH can hardly be prevented. The agricultural technology sector and the majority of rice farmers are in the middle and late stages of the late rice season, and almost all of them are waiting in the rush. However, some places still have some late rice / Loss. Late rice brown planthopper is a migratory pest, its adult, nymphs can be harmful, the insects in the lower part of rice paddy suck rice juice, consumption of rice plant nutrition, and secretion of toxic substances cause plant poisoning atrophy, Pricked the stems and leaves of rice plant tissue, rice plant water loss. As the thorns feed, leave on the rice plants