通过对双波 4号灯下蛾、卵消长规律的观察 ,明确了成虫夜间及整个发生期内的上灯规律 :灯下蛾消长与田间卵消长相吻合 ,这在测报上有一定的使用价值。 1996～ 1998年每年 8月 10日至 9月 10日灯控区比无灯区卵、残虫、铃害率平均分别下降 6 1 0 5%、6 2 6 5%、52 35% ,售棉收入提高 30 8% ;同时避免了盲目用药 ,减轻了环境污染 ,社会效益、经济效益均比较显著 By observing the law of the growth and declination of the moth and egg in the double-wave 4 light bulb, the law of the light-on during the night and throughout the occurrence of the adult was clarified: the growth and development of the light moth agrees with the growth and disappearance of the field egg, which is of certain value . From 1996 to 1998, from August 10 to September 10 of each year, the average number of eggs, beetles and bolls in the light-control area dropped by 610%, 6265% and 5235% respectively, Revenue increased by 30.8%; while avoiding blind medication, reducing environmental pollution, social and economic benefits are more significant