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使用杀虫剂灭蚊时,由于抗性、接触时间不足和药物浓度低等因素,总会有一部分蚊虫接受亚致死量面仍然存活下来。因此,为了全面评价喷洒效果,不仅要估计残存蚊虫的数量,而且必须考查这些蚊虫的一些矢量指标,特别是受药蚊虫体内的疟原虫能否正常存活。为此作者利用埃及伊蚊-鸡疟模型观察了在蚊体内杀虫剂对疟原虫不同发育阶段的影响。把同龄蚊饲以患疟鸡血,然后在27～28℃,温度90～95%条件下用葡萄糖液饲养。
Insecticides used to kill mosquitoes will always have a portion of mosquitoes that have received sublethal doses because of resistance, lack of contact time, and low drug concentrations. Therefore, in order to fully evaluate the spraying effect, not only the number of remaining mosquitoes, but also some vector indices of these mosquitoes must be examined, in particular, whether the parasites in the mosquitoes can survive normally. Therefore, the authors used the Aedes aegypti-Cholera malaria model to observe the effects of insecticides in mosquitoes on different developmental stages of Plasmodium. The same age mosquito feeding to malaria chicken blood, and then at 27 ~ 28 ℃, temperature 90 ~ 95% with glucose solution feeding.