河南省1992年棉铃虫暴发成灾,几乎所有作物都受其害,一代蛀食麦粒,穗被害率一般40％-60％,麦田地面虫粪象撤一层“尿素”,另外还为害早春蔬菜。全省约有50万亩棉花因棉铃虫为害而绝收。洛阳棉区估计玉米减产5％左右,蔬菜减产30％,花生减产5％-10％。无论从发生 In 1992, the outbreak of cotton bollworms in Henan Province affected almost all crops. A generation of moss-eaten grains produced 40% -60% of the ear damage. The insect pest on the ground removed a layer of “urea” and also harmed the early spring vegetables. About 500000 acres of cotton in the province due to the harm of cotton bollworms and absolutely. Luoyang cotton area estimated corn yield reduction of about 5%, 30% cut vegetables, peanut cut 5% -10%. No matter from happening