矢尖蚧自70年代以来,已陆续在我国13个省(区)柑桔产地成灾。其雌成虫抗药性极强,使用高浓度杀蚧药剂,防治效果也极低下。因此,国内外通常的作法是用药剂防除1—2龄幼蚧。矢尖蚧在我国大多数柑桔栽培地带年发生2—3代。而防治的关键时期限制在5、6月份第一代幼蚧发生期 Since the 1970s, Agrimony scabies have been successively affected by the origin of citrus in 13 provinces (regions) in our country. Strong resistance to their female adults, the use of high concentrations of scale agent, control effect is also very low. Therefore, the common practice at home and abroad is to use agents to control 1-2-year-old juveniles. Agrimony scale in most of the citrus cultivation in our country occurred 2-3 generations. The key period of prevention and control is limited to the occurrence of the first generation of juveniles in May and June