杀虫剂的出现,对控制蚊媒传染病的流行起重要的作用。但是,由于长期大量使用化学杀虫剂,致使许多地区的蚊虫对各类化学杀虫剂不同程度地产生了抗药性。这些蚊虫几乎包括了世界上大部分的疟疾、丝虫病、登革热、乙型脑炎等蚊媒病的主要媒介。抗药性的出现给蚊虫防制工作带来了很大的困难。 The emergence of pesticides plays an important role in controlling the spread of mosquito-borne diseases. However, the long-term use of chemical pesticides in large quantities has caused mosquitoes in many areas to have varying degrees of resistance to various types of chemical pesticides. These mosquitoes cover most of the world’s major vectors of mosquito-borne diseases such as malaria, filariasis, dengue fever and Japanese encephalitis. The emergence of drug resistance has brought great difficulties to mosquito control work.