Abstract: Objective To explore the breeding status of mosquitoes in rain-water catch basin and sewer inspection pits of Shanghai district, and provide basic data for mosquito control in storm and sewer drainages. Methods Rain-water catch basin and sewer inspection pits of residential areas, parks and roads selected in downtown Shanghai, outskirts of town and suburb, were investigated to learn the mosquito larval breeding situation and the habits in July, 2017. Results Of the 878 basins, 41.69% of which had water, and the positive breeding-rate was 49.73%. The positive breeding-rate of flat grate type and vertical grate type were 50.36% and 47.67%. The average density of mosquitoes was 9.97 per dip. Of the 284 sewer inspection pits, 82.04% of which had water, and the positive breeding-rate was 18.88%, the average density of mosquitoes was 4.85 per dip, the positive breeding-rate of basins was significantly higher than in sewer inspection pits (χ²=57.643, P=0.000). The highest positive breeding-rate in flat grate type and vertical grate type was in residential areas, being 56.46% and 23.23%, the positive breeding-rate in parks were 45.35% and 12.50%; the positive breeding-rate in roads were 35.21% and 7.89%; the difference was statistically significant (χ²=10.433, 6.399, P=0.005, 0.042). There were Aedes albopictus (52.20%)and Culex pipiens pallens/quinquefasciatus (47.80%) breeding in basins. There were Cx. pipiens pallens/quinquefasciatus (70.45%)and Ae. albopictus (29.55%)breeding in sewer inspection pits. Conclusion The rain-water catch basins were important mosquito breeding ground in surface drainage system. The mosquito control of the rain-water catch basins should be strengthened.

Key words: Mosquitoes, Rain-water catch basin, Sewer inspection pit, Breeding status

摘要： 目的 调查上海市部分区域地面雨水井及检查井中蚊虫孳生状况，为雨水井蚊虫控制提供依据。方法 于2017年7月调查上海市中心城区、城郊结合区和郊区有代表性的居民区、公园及道路上雨水井及检查井积水情况和蚊虫孳生情况；采用SPSS 16.0软件进行统计学分析，计数资料以率和百分比表示，阳性率间的比较采用四格表Chi-square检验。结果 共调查雨水井878个，积水率为41.69%，蚊虫孳生阳性率为49.73%，其中平篦型和立篦型雨水井阳性率分别为50.36%和47.67%，蚊虫平均密度为9.97条/勺；调查检查井284个，积水率为82.04%，蚊虫孳生阳性率为18.88%，蚊虫平均密度为4.85条/勺；雨水井蚊虫孳生阳性率高于雨水井中的检查井，差异有统计学意义（χ²=57.643，P=0.000）；3种环境雨水井及检查井蚊虫孳生阳性率均以居民区最高，分别为56.46%和23.23%，公园为45.35%和12.50%，道路为35.21%和7.89%，差异有统计学意义（χ²=10.433、6.399，P=0.005、0.042）。雨水井及检查井均有白纹伊蚊（52.20%和29.55%）和淡色/致倦库蚊（47.80%和70.45%）孳生。结论 雨水井是城市地面排水系统中蚊虫的重要孳生地，是蚊虫防制中不可忽略的场所，必须引起重视并加以控制。

关键词: 蚊虫, 雨水井, 检查井, 孳生状况