近二十年来,白背飞虱Sogatella furcifera(Hovarth)已成为亚太地区水稻生产国和地区水稻上的一种主要害虫。在中国,自70年代大面积种植杂交稻以来,为害日趋严重,给我国粮食生产造成极大的威胁。鉴于白背飞虱的重大经济意义,国内外已对此虫 For nearly two decades, Sogatella furcifera (Hovarth) has become a major pest on paddy in rice-producing countries and regions in the Asia Pacific region. In China, since the hybrid rice was planted on a large area in the 1970s, the harm has become increasingly serious, posing a great threat to the grain production in our country. In view of the great economic significance of Siberian back-sowing louse, this insect has been at home and abroad