长丰县室外蚊虫密度消长及物种构成调查

Research on the growth and decay of density and species composition of mosquito outdoor in Changfeng county

目的了解合肥市长丰县室外蚊虫密度消长及物种构成,为制定蚊类防制措施提供科学依据。方法采用人工小时法,对蚊虫进行分类、鉴定、计数。结果长丰县室外蚊虫密度高峰在7-9月,其密度分别为1903、1927和2182只/人工小时,以9月最高。优势蚊种为三带喙库蚊,占捕蚊总数的63.23%;该蚊于7月上旬、8月下旬和9月中旬出现3个密度高峰,分别为848、769和765只/人工小时。结论三带喙库蚊是合肥市长丰县室外优势蚊虫,是防制的重点。

Objective To study the season growth and decay of mosquitoes density and the species composition outdoor in Changfeng county to provide the scientific basis for preventing mosquitoes. Methods The mosquitoes were collected by 15 minutes indoor resting collection from June to October, and then classified, identified and counted. Results The peak of density of mosquito outdoor occured from July to September, Septembers was the highest. The dominant species was Culex tritaeniorhynchus, with proportion of 63.23% of the total mosquitoes, and its three peaks occurred in the lastest ten days of July and August and the middle ten days of september, Conclusion Cx, tritaeniorhynchus was the dominant species outdoor in Changfeng county, It was most notable in preventing and controlling.