据北京市植保站监测,近期该市温室草莓红蜘蛛危害有加重趋势,部分主产区有螨株率达80%左右,虫量和危害程度均较往年同期严重。当前正值春节前草莓生产关键时期,如不及时采取措施进行有效控制,将严重影响节前草莓上市量和全年经济效益。红蜘蛛为害草莓时主要在叶片背面取食,通过口器刺穿细 According to the Beijing Plant Protection Station monitoring, the city recently greenhouse red spider mite hazards have increased the trend, some of the main producing areas have mite strain rate of about 80%, the amount and degree of harm than in previous years were serious. At present, the key period of strawberry production before the Spring Festival, if not timely measures for effective control, will seriously affect the amount of pre-holiday strawberries and annual economic benefits. Red spider damage strawberry mainly in the blade back feeding, through the mouth piercing fine