据统计,中华按蚊所传播的疟疾已占全国疟疾总发病数的80%以上。因此,有效地防制中华按蚊已成为控制疟疾流行的首要环节。中华按蚊幼虫可孳生在多种水体中,如稻田、池塘、沼泽等处。其种群数量大,成蚊可随环境条件变化栖息,故防制较为困难。若广泛使用杀虫剂,不但蚊虫易产生抗药性, According to statistics, malaria transmitted by Anopheles sinensis accounts for more than 80% of the total number of malaria cases in the country. Therefore, effectively controlling Anopheles sinensis has become the primary link in controlling the epidemic of malaria. Anopheles sinensis larvae can breed in a variety of water bodies, such as rice fields, ponds, swamps and other places. The population is large, adult mosquitoes can change habitat with environmental conditions, it is more difficult to control. If widely used pesticides, mosquitoes not only easy to produce resistance,