盲目施药。如打“保险药”,每隔不久打一次药,不仅造成用药成本加大,并污染环境,而且由于用药次数过多,引起害螨抗药性增强,降低了药治效果,更为严重的是错过了防治适期:施药时可能不是防治适期,而不施药时可能又是防治适期,因而保险药并不保险。防治锈壁虱要抓住害螨的低龄期 Blindly apply medicine. Such as playing “insurance drugs”, every time soon hit a drug, not only caused the cost of medication increases, and pollute the environment, but also because the number of drugs used to cause increased resistance to pest mites, reducing the effect of drug treatment, more serious is Missed the control period: spraying may not be the appropriate period of prevention and control, and may not be applied when the prevention and treatment of the appropriate period, so insurance drugs are not insurance. Control rust ticks to seize the low age of pest mites