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棉铃虫是近年来制约棉花丰产的主要因素，虽经大量施用农药但效果不佳，甚至更加强了棉铃虫的抗药性。造成棉铃虫爆发成灾的主要原因，是该虫为一生物潜能很高的种群，具有极强的繁殖力，在我国北方每年发生１０代左右，每个雌蛾产卵几百到千余粒，以单产形式散产在寄主上。为
The cotton bollworm is the main factor restricting the cotton yield in recent years. Although it is ineffective by applying a large amount of pesticides, it is even more resistant to the cotton bollworm. The main reason causing the outbreak of cotton bollworm is that it is a highly biotic potential population with extremely strong fecundity. It occurs about 10 generations per year in the north of our country and several hundred to several thousand eggs per female , To yield in the form of scattered in the host. for