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目的 :分析上海地区常见蝇种季节消长规律、蝇种构成及影响因素。方法 :腐鱼酱饵法、糖醋饵 +粘捕法。结果 :近几年上海地区的蝇种构成、季节消长规律与 50年前发生了很大变化。目前 ,本市的优势蝇种为大头金蝇、丝光绿蝇、家蝇、巨尾阿丽蝇、厩腐蝇等。蝇密度高峰期在5、6月份和 8、9月份。结论 :滋生环境的改变和综合治理措施的运用 ,会改变城市的优势蝇种构成 ,持续的暖冬是导致蝇种消长规律变化的主要原因
Objective: To analyze the seasonal fluctuation pattern of common fly species in Shanghai, the composition of fly species and its influencing factors. Methods: bait bait method, sweet and sour bait + stick catching method. Results: In recent years, the composition and seasonal variation of fly species in Shanghai have changed greatly from those 50 years ago. At present, the city’s dominant species of flies are goldfly, green flies, houseflies, giant tail aloe flies, stable flies and so on. The peak flies density in May and June and August and September. Conclusion: The change of breed environment and the application of comprehensive control measures will change the composition of dominant species of flies in cities, and the continuous warm winter is the main reason for the change of flies species growth and decline