摘要
目的分析2006-2010年上海市虹口区蝇类组成、季节消长、分布规律及蝇类种群多样性特征,为做好蝇类防治工作提供科学依据。方法采用捕蝇笼糖醋诱饵诱捕法。每年3-11月,对每旬获得的监测数据进行蝇种多样性和统计分析。结果捕获蝇类隶属3科7属10种,家蝇密度最高,为0.62只(/笼.d)。家蝇密度整体波动呈上升趋势,丝光绿蝇密度整体波动呈下降趋势。2006-2010年蝇密度分别为2.52、1.91、1.46、1.12和0.70只(/笼.d),蝇密度高峰期分别在4月下旬、5月上旬、6月下旬和7月中旬;7月捕获蝇种最多为8种,5月蝇种多样性指数和均匀度指数最高;近5年来,不同生境蝇密度依次是农贸集市>居民小区>绿化带>饭店外环境;居民小区蝇类物种最丰富,为10种,多样性指数和均匀度指数最高。结论近5年来虹口区蝇密度呈逐年下降趋势,蝇密度的高峰期为4月下旬至7月中旬,家蝇和丝光绿蝇为优势种。蝇类多样性指数和均匀度指数可在一定程度反映蝇类的种群特征。
Objective To analyze the species composition,seasonal variation and the diversity of fly at different habitants in Hongkou district,Shanghai from 2006 to 2010 to provide evidence for the prevention and control.Methods Cage traps with sugar and vinegar baits were used to capture flies.Quarterly analysis of biodiversity was performed from March to November each year.Results The flies in this district belonged to 10 species,7 genera and 3 families.The highest density was noted in Musca domestica（0.62 flies per day for every cage）.The density of M.domestica was increased,whereas the density of Lucilia sericata declined each year.The fly densities were 2.52,1.91,1.46,1.12,and 0.70 flies per day for every cage from 2006 to 2010,respectively.The highest density was noted in late April,early May,late June and mid-July from 2006 to 2010.In July,eight species were collected at most.The species diversity index and evenness index were highest in May.Different habitats by fly density in descending in the last five years were： farm trade market residential area public green belt external environment of restaurants.The most abundant species were observed in residential areas（ten species）,which had the highest species diversity index and evenness index.Conclusion The fly diversity declined year by year from 2006 to 2010,which had a peak from late April to mid-July each year.The dominant species were M.domestica and L.sericata.The population characteristics could be generally described by the species diversity index and evenness index.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
2011年第5期480-483,共4页
Chinese Journal of Vector Biology and Control
关键词
蝇密度
种类构成
季节消长
多样性
Flies density
Species composition
Seasonal variation
Diversity
