摘要：
Objective To investigate the density seasonal fluctuation and insecticide resistance of Anopheles sinensis in the Taibai Lake area and to provide a scientific basis for formulation of Anopheles sinensis control strategy.Methods The surveillance was carried out from June to October in 2013-2016.The adult mosquito density was monitored using human bait trapping method.WHO bioassay method was used to measure the sensibility of mosquitoes to insecticides.Results In 2013-2016,totally 2 318 Anopheles sinensis were captured,the Anopheles sinensis peaked in late July till early August,which were 67-127,317-386,77-89,107-139,respectively.Anopheles sinensis showed high resistance to dichlorodiphenyltrichloroethane,malathion,and initial resistance to propoxur and deltamethrin (mortality ratio:38.10％,41.82％,86.11％,83.02％).Conclusions The Taibai Lake area has a diverse Anopheles sinensis population,its seasonal fluctuations and insecticide resistance monitoring can provide effective guidance for malaria control.In order to prevent the development of resistance to the insecticides,integrated management measures should be adopted in the future.%目的 了解太白湖湿地中华按蚊密度、季节消长规律及抗性监测情况,为制定中华按蚊控制策略提供科学依据.方法 于2013-2016年6-10月,在太白湖区利用人饵帐诱法进行成蚊密度监测,并利用世界卫生组织(WHO)生物接触筒法测定中华按蚊对化学性杀虫剂的敏感性.结果 2013-2016年,在太白湖湿地共捕获中华按蚊2 318只,其中每年的7月下旬至8月上旬蚊虫密度最高,分别为67～127、317～386、77～89、107 ～ 139只.太白湖湿地中华按蚊对双对氯苯基三氯乙烷、马拉硫磷表现出高抗性,对残杀威和溴氰菊酯呈初步抗性(4种杀虫剂的校正死亡率分别为38.10％、41.82％、86.11％、83.02％).结论 太白湖湿地中华按蚊密度较高,在蚊媒监测及疟疾防控工作中应结合当地蚊媒季节消长规律及抗性监测情况,合理有效地使用多种策略,综合进行蚊媒控制.
