关键词: 蚊虫, 密度, 季节消长

Abstract:

Objective　To get an insight into the mosquito density in Shunyi district, Beijing and the seasonal fluctuations to provide the basis for developing mosquito control programs. Methods　The CO₂ mosquito trap lamps were used to monitor the mosquito density. Results　A total of 3019 mosquitoes were captured from 2005 to 2008, with the average mosquito density of 6.99 per (light·h). The dominant species was Culex pipiens pallens. The interannual fluctuations of the mosquito density from 2005 to 2008 followed a single?peaked curve, the peak value appearing in 2006. The habitats in descending order of the mosquito density were parks, residential areas, and hospitals. Analysis of the mosquito density on a monthly basis from 2005 to 2008 revealed that the peak density was usually evident around July. Conclusion　The characteristics of the mosquito population density in Shunyi district and the seasonal fluctuations therein were basically revealed, providing the basis for further implementation of effective mosquito control and prevention. It is recommended to strengthen mosquito control during the high density seasons, and to improve the research on the long?term monitoring, early warning and control strategies and measures for mosquitoes and mosquito?borne diseases.

Key words: Mosquito, Density, Seasonal fluctuation