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拟除虫菊酯是七十年代初发展起来的新一代合成有机杀虫剂,它的使用剂量低,杀虫效果好,残留期较短,对人畜毒性小,使用安全,所以在我国多种作物上得到广泛应用。在茶树上,不仅对多种鳞翅目害虫具有高效,而且象速灭杀丁(杀灭菊酯),对小绿叶蝉也有较好的防治效果。对任何一种农药,除了考虑防效、残留、对人畜安全性等方面的因素外,还应从生态平衡的角度考虑它对天敌昆虫的毒力如何,这也是衡量一种农药的使用价值的一个方面,
Pyrethroid is a new generation of synthetic organic insecticide developed in the early 1970s. Its use dose is low, its insecticidal effect is good, its residual period is short, its toxicity to human and animals is small, and it is safe to use. Therefore, on a variety of crops in China Be widely used. In the tea tree, not only for a variety of lepidopteran pests with high efficiency, but also as fast kill Ding (fenvalerate), the green leafhopper also have better control effect. For any kind of pesticide, in addition to taking into account factors such as control effects, residues, and safety for humans and animals, it should also consider its virulence against natural enemy insects in terms of ecological balance, which is also a measure of the value of use of a pesticide aspect,