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目的调查上海市杨浦区地下车库蚊种构成,了解种群形成原因及趋势。方法 2013年12月至2014年11月从不同封闭类型的地下车库集水井中采集蚊幼虫,饲养至成蚊后制作雄蚊尾器标本进行鉴定。结果全封闭小空间型车库内均为骚扰库蚊;全封闭大空间型车库内骚扰库蚊占该车库有效标本数的54.09%(119/220),淡色库蚊占27.27%(60/220);半封闭型车库内淡色库蚊占该车库有效标本数的54.23%(141/260),致倦库蚊占35.77%(93/260)。结论上海市地处中国淡色库蚊与致倦库蚊种群交叉地带,两者同时存在,亦存在中间过渡类型,该地区蚊种构成复杂,需密切监测以控制蚊媒传染病。
Objective To investigate the composition of mosquito in the underground garage in Yangpu District, Shanghai and to understand the reason and trend of population formation. Methods From December 2013 to November 2014, mosquito larvae were collected from wells of different enclosed underground garages and were mated to adult male mosquito traps for identification. Results Culex pipiens quinquefasciatus was all enclosed in a small space-type garage; Cucurbita moschata accounted for 54.09% (119/220) and Culex pipiens pallens (27.27%) in the fully enclosed large space garage (60/220) Culex pipiens pallens in the semi-enclosed garage accounted for 54.23% (141/260) of the effective samples of the garage and 35.77% (93/260) of the Culex pipiens pallens. CONCLUSIONS Shanghai is located in an area where the population of Culex pipiens pallens and Culex quinquefasciatus intersect at the same time. There are also intermediate transitional types. The mosquito species in this area are complex and need to be closely monitored to control mosquito-borne infectious diseases.