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灯诱结果表明 :在贵州塘头稻区 ,白背飞虱、褐飞虱成虫混合发生 ,始见期分别为 4月 11～ 18日和 2 1～ 2 4日 ;白背飞虱、褐飞虱成虫种群数量的季节性消长动态年度间均较一致 ,同期年度间诱虫量变化大 ;4、5、6月诱虫量少 ,7、8、9月诱虫量多且出现 4次成虫高峰 ,10月诱虫量明显减少 ,到 10月 14～ 19日和 17～ 2 0日成虫种群分别终见。
The light induced results showed that the adults of BPPH and BPH mixed together in the pond area of Tongtu, Guizhou. The initial dates were from April 11 to April 18 and from January to February 24, respectively. The population of whitebacked planthopper and brown planthopper, The seasonal dynamics of the annual growth were more consistent during the same period the annual variation of the number of trap insects; April, May and June less trapping insects, July and August and September the number of trap and the emergence of four adult peak in October The amount of trap insects significantly reduced to October 14 to 19 and 17 to 20 adult populations were eventually seen.