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目的了解宁波市区农贸市场、餐饮外环境、绿化带和居民区等生境的蝇类构成与季节变化规律,为蝇类防制策略的制定提供依据。方法采取笼诱法定期调查,将捕获成蝇分类计数,并计算出相应密度和构成比。结果宁波市农贸市场、餐饮外环境、绿化带和居民区等生境的优势蝇种为家蝇、大头金蝇和铜绿蝇,其中农贸市场为家蝇、大头金蝇和丝光绿蝇;餐饮外环境为大头金蝇、家蝇和丝光绿蝇;绿化带内为大头金蝇、铜绿蝇和家蝇;居民区为家蝇、大头金蝇和铜绿蝇。所有蝇类中,家蝇的活动时间最早、持续时间最长,其他蝇种发生的时间大多短于8个月,高峰大多在5-10月。结论制定防制措施时,应以5-10月为重点,并充分考虑家蝇、大头金蝇、丝光绿蝇和铜绿蝇的生活习性和发生规律。
Objective To understand the composition and seasonal variation of flies in habitats such as farmer’s market, catering environment, green belt and residential area in Ningbo, and to provide basis for the development of flies control strategy. Methods Cage induction method was used to conduct periodic surveys, which were used to classify and count catches of insects, and the corresponding density and composition ratio were calculated. Results The advantages of habitats such as farmer’s market, catering environment, green belt and residential area in Ningbo City were housefly, goldfly and flies, among which the farmers’ market was housefly, goldfly and fly green flies; For the gold-flies, houseflies and mercerized green flies; green belt for the large goldfly, green flies and houseflies; residential areas for houseflies, the large goldfly and copper green flies. In all flies, housefly activity was the earliest and lasts for the longest duration, while most other flies occurred mostly shorter than 8 months and peaked mostly in May-October. Conclusion The prevention and control measures should be focused on May-October, taking full account of the habits and occurrences of housefly, goldfly, green flies, and green flies.