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目的掌握大连地区蝇种构成及季节消长趋势。方法采用笼诱法进行蝇密度监测。结果2008-2011年共捕蝇14 543只,优势蝇种为丝光绿蝇,密度高峰在7-8月,居民区的蝇密度最高。结论大连地区4年来蝇密度呈持续下降趋势,蝇种及其构成已发生变化,应继续加强监测工作,做好居民区及绿化带的灭蝇防蝇工作。
Objective To understand the composition and seasonal fluctuation of fly species in Dalian. Methods Cage induction method was used to monitor the fly density. Results A total of 14 543 fly flies were collected from 2008 to 2011. The dominant fly species was Lucilia sericata with the highest density in July-August and the highest density in residential areas. Conclusion The density of flies in Dalian has been on a downward trend for 4 years. The species and composition of flies have been changed. Monitoring work should continue to be strengthened to prevent flies and fly flies in residential areas and green belts.