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冬天到了,冰封雪盖,天寒地冻,危害庄稼、果木的害虫哪里去了?原来,昆虫是一种变温动物,它们调节体温的能力很差,外界的温度支配着它们的一切活动.当温度条件满足它们的要求时,它们生长、繁殖十分迅速,给农业、园林业带来很大灾害;但当温度过低时,它们不得不停止积极的生命活动,作好必要的生理准备,寻找有利场所,躲藏起来,不吃不动,避过不利环境,这种现象,叫做冬眠.不同害虫,冬眠长短不一致,长的可达半年以上,但一般到了春天,气温上升到一定程度,它们就苏醒过来,继续生长、繁殖,为非作歹.
The winter is over, the frozen snow cover, cold, harm crops, fruit pests where to go? The original, insects are a variable temperature animals, their ability to regulate body temperature is poor, the temperature of the outside world governs all their activities. When the temperature conditions meet their requirements, they grow and reproduce very rapidly, causing great disasters to agriculture and landscape industries. However, when the temperature is too low, they have to stop active life activities and make necessary physiological preparations. Looking for a good place to hide, do not eat, avoid adverse environment, this phenomenon is called hibernation.Different pests, hibernation length inconsistent, long up to six months or more, but in general the spring, the temperature rose to a certain extent, they Wake up, continue to grow, breed, for whatever it is.