棉花在整个生长季节都能够形成花蕾,开花,结铃。直到严霜把它冻死为止。棉花红铃虫的幼虫,在棉花生长晚期所结的棉铃上取食以后,就落进土壤,在那里越冬。到了春季它们化蛹然后羽化为成虫。成虫在早期的棉花花上面产卵。卵孵化后,小得几乎看不见的幼虫钻进早期的棉铃,在里面取食。经几次蜕皮后,便从棉铃中钻出来落到地上。生长季中,几天后它就由蛹羽化为成虫。又重新开始另一个生活周期。如果不加防止,一年里经过几代,虫口就达到很大的天文学数目。 Cotton throughout the growing season to form buds, flowering, ringing bell. Until frost to freeze it so far. The larvae of cotton bollworm, after feeding on the cotton bolls boring in the late stage of cotton, fall into the soil and overwinter there. In the spring they become pupal and then emerge as adults. Adults lay eggs on early cotton flowers. After the egg has hatched, the small, almost invisible larvae dig into the early bolls and feed inside. After several molting, it drilled from the cotton bolls and fell to the ground. During the growing season, it puffs into adults from a few days later. Start another life cycle again. If you do not prevent it, after several generations of a year, Insect population has reached a great number of astronomy.