利用天敌与害虫出蛰活动的时间差异,可采取下述措施保护天敌越冬。园内堆草秋末,可在果园内零星堆草或挖坑堆草,人为创造越冬场所供蜘蛛、瓢虫、步甲等天敌栖息,以利其安全越冬。绑草把在秋末,天敌发生量大时,可在树干基部绑草绳、草把或布条等,除可诱集梨小食心虫、桃蛀螟等害虫外,还可吸引许多天敌(如小花蝽、 The use of natural enemies and pest out of the sting activities of the time difference, the following measures can be taken to protect natural enemies wintering. Park late autumn heap grass, or scattered in the orchard piled grass mound, artificially create a wintering place for spiders, ladybugs, carabids and other natural enemies habitat, in order to facilitate their safe wintering. In the late fall of autumn, when the amount of natural enemies occurs, the grass rope, grass or cloth can be tied at the base of the tree trunk. In addition to entrapping pests such as pest insects and peach borers, many natural enemies (such as florets Stink bug,