目的 掌握云南省临沧城区蚊类种群组成及特征，为预防虫媒传染性疾病提供参考。方法 2015年8月，采用诱蚊灯法，在临沧城区东、南、西、北、中5个方位各布放4盏诱蚊灯连续7夜诱捕蚊虫。结果 捕获蚊类共5属22种1 327只，其中库蚊属11种1 210只，占捕获总数的91.18%；阿蚊属4种83只，占6.26%；按蚊属5种30只，占2.26%；伊蚊属和轲蚊属各1种2只，各占0.15%。致倦库蚊和三带喙库蚊分别占57.72%和32.40%，其他蚊种均 < 3.69%。结论 临沧市城区地理环境和气候条件适宜多种蚊虫生长，致倦库蚊及三带喙库蚊为优势蚊种，数量多且分布广泛，主要影响临沧城区蚊密度的变化趋势。

Objective To know the composition and characteristics of mosquitoes in Lincang city, in order to provide a reference for prevention of vector-borne diseases. Methods The surveillance sites were located in the north, south, east, west and center of the city. Four light traps were set up in each house to trap mosquitoes. Results A total of 1 327 mosquitoes belonging to 5 genera and 22 species, were collected. Eleven species of 1 210 mosquitoes belonged to Culex and the proportion was 91.18%; Four species of 83 mosquitoes belonged to Armigeres as 6.26%; Five species of 30 mosquitoes belonged to Anopheles as 2.26%; one species of 2 mosquitoes belonged to Aedes and Coquillettidia as 0.15%, respectively. The abundance of Cx. pipiens quinquefasciatus and Cx. tritaeniorhynchus were 57.72% and 32.40%, respectively. Others were less than 3.69%. Conclusion There are abundant species or genera of mosquitoes in Lincang city. Culex pipiens quinquefasciatus and Cx. tritaeniorhynchus are the predominant species in Lincang city and they have an influence on other mosquitoes'trends of density.