内江市2016年主要媒介生物监测分析

Investigation on the main medical vectors in Neijiang City in 2016

目的了解内江市蚊、蝇、鼠、蟑螂的种群、密度及其季节消长状况,为科学开展防治工作提供依据。方法分别采用诱蚊灯法、笼诱法、夹夜和粘捕法对蚊、蝇、蟑、鼠进行调查。结果 2016年共捕获成蚊5种22 223只,优势种为致倦库蚊,构成比为56.63%;捕获成蝇12种2 303只,优势种为铜绿蝇、丝光绿蝇、家蝇,构成比分别为28.79%、18.71%、16.41%;捕获鼠110只,优势种为褐家鼠,构成比为73.64%;捕获蟑螂11 823只,优势种为德国小蠊,构成比为96.74%。结论内江市蚊、蝇、鼠、蟑螂呈现出明显的季节消长趋势,其优势种分别为致倦库蚊、铜绿蝇、丝光绿蝇、家蝇、褐家鼠、德国小蠊。

Objective To understand the population structure,density and seasonal fluctuation of mosquitoes,flies,rats and cockroaches in Neijiang City,and provide scientific basis for control.Methods The mosquito lamps,trap cages,sticky traps and night traps were used for investigating mosquitoes,flies,rats and cockroaches.Results In2016,a total of 22 223 mosquitoes were captured,belonging to 5 species,and the dominant species were Culex quinquefasciatus accounting for 56.63%.The totally captured 2 303 flies belonged to 12 species,and the dominant species were Lucilia illustris,Lucilia sericata and Musca domestica,accounting for 28.79%,18.71%,16.41%; 110 rats were captured,and the dominant species was Rattus norvegicus accounting for 73.64%; 11 823 cockroaches were captured with the dominant species of Blattella germanica,accounting for 96.74%.Conclusion In Neijiang Ctiy,mosquitoes,flies,rats and cockroaches developed obvious seasonal fluctuation tendency,the dominant species were Culex quinquefasciatus,Lucilia illustris,Lucilia sericata and Musca domestica,Rattus norvegicus and Blattella germanica.