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26、溴氰菊酯,又叫敌杀死。是拟除虫菊酯类中杀虫效力很强,但毒性也较高的一个品种。纯品为白色无味结晶粉末。不溶于水,能溶于各种有机溶剂中。对光、酸、中性液都较稳定。残效期长达20天左右。遇碱会分解。对鱼类有强毒,对蜜蜂、家蚕等毒性也较大。剂型是2.5％乳油。该药具有胃毒、触杀及拒食作用。能防治鳞翅目、半翅目、直翅目、同翅目、双翅目等多种害虫.对有机磷和有机氯已产生抗性的害虫也有效。但对螨类、蚧类、甲虫
26, deltamethrin, also known as the enemy killed. Is a pyrethroid insecticidal efficacy of a strong, but also a higher toxicity of a species. Pure white tasteless crystalline powder. Insoluble in water, soluble in various organic solvents. Light, acid, neutral liquid are more stable. Residual validity of up to 20 days. Case of alkali will break down. Toxic fish, poisonous bees, silkworms and other larger. The dosage form is 2.5% EC. The drug has stomach poisoning, touch and antifeedant effect. Can control Lepidoptera, Hemiptera, Orthoptera, Homoptera, Diptera and other pests.Organic phosphorus and organochlorine have resistance pests are also effective. But for mites, Kuwana, beetles