2015—2020年天津市北辰区蚊蝇监测分析

Investigation on mosquitoes and flies in Beichen District of Tianjin from 2015 to 2020

目的掌握天津市北辰区蚊蝇密度、种群分布和季节消长规律,为蚊蝇传播传染病的防治和风险评估提供依据。方法收集天津市北辰区2015—2020年病媒生物监测点蚊虫和蝇类监测数据,用Excel 2010软件统计分析蚊蝇密度、种群构成和季节消长规律。结果2015—2020年北辰区蚊蝇平均密度分别为3.43只/(灯·h)、2.58只/笼,成蚊以淡色库蚊为优势种群,占99.92%,蝇以家蝇为主,占82.84%。蚊密度高峰期为7—8月,蝇密度高峰期为6—8月。在不同生境类型中,以牲畜棚、农户蚊密度较高,绿化带、农贸市场蝇密度较高。结论牲畜棚、农户蚊密度较高,农贸市场、绿化带蝇密度较高,需进一步加大防治力度。

Objective To master the density,population distribution and seasonal fluctuation of mosquitoes and flies in Beichen District of Tianjin,so as to provide basis for the prevention and control of mosquito and fly borne diseases and risk assessment.Methods The monitoring data of mosquitoes and flies at vector monitoring point in Beichen District of Tianjin from 2015 to 2020 were collected,and the density,population composition and seasonal fluctuation of mosquitoes and flies were statistically analyzed with Excel 2010 software.Results From 2015 to 2020,the average density of mosquitoes and flies in this area were 3.43 insects per lamp in an hour and 2.58 insects per cage respectively.Culex pipiens pallens was the dominant mosquito species accounting for 99.92%,and Musca domestica was the dominant fly species accounting for 82.84%.The peak of mosquito density was from July to August,and the peak of fly density was from June to August.Among different habitats,the density of mosquitoes in livestock sheds and farmers houses was higher,and the density of flies in green belts and farmers’markets was higher.Conclusion The density of mosquitoes was high in livestock sheds and farmers houses while the density of flies was high in farmers’markets and green belts.It is necessary to further strengthen prevention and control.