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稻飞虱是一种不完全变态的同翅目、蝉亚目、蜡蝉总科、飞虱科世界性远距离迁飞的农业害虫,具有虫体小、繁殖快、数量多、种群强、范围广、来势猛、为害重、损失大的特点。20世纪八十年代以来,已上升为水稻的头号害虫,大发生的频率很高,周期缩短,是水稻生产的一大生物灾害。八十年代以后近20年间,在我国每年发生面积2-3亿亩,年均损失稻谷10-15亿公斤。是一种难于预测和防治的水稻害虫。笔者长期从事水稻病虫害的田间监控和综防专业工作,对准确预测稻飞虱的田间暴发,有所理念和体验,认为短翅
Planthopper is a kind of agricultural insect pest which is not completely metamorphic Homoptera, Cicada suborder, Cicadellidae, Planthopper world long-distance migration, with small insect body, fast propagation, large quantity, strong population, A wide range of potential fierce, heavy damage, loss of large features. Since the 1980s, it has risen to the number one pest of rice. The occurrence of large pests is very frequent and shortened in cycle. It is a major biological disaster in rice production. In the recent 20 years since the 1980s, an area of 2-3 billion mu has occurred in our country each year, with an average annual loss of 10-15 billion kilograms of paddy. Is a difficult to predict and control of rice pests. The author has long been engaged in the field of rice pest control and comprehensive prevention of professional work on the accurate prediction of planthopper field outbreak, have ideas and experiences, that the short wing