2010-2016年攀枝花市蟑螂监测分析

Analysis on cockroach monitoring in Panzhihua City from 2010 to 2016

目的了解和掌握攀枝花市蟑螂种群分布及季节消长规律,为科学防治提供依据。方法采用粘捕法调查,攀枝花市共设置3个蟑螂监测点,分别选择农贸市场、宾馆、餐饮、医院和居民区为监测生境,监测点相对固定。结果 2010-2016年攀枝花市蟑螂年平均密度为0.46只/张,年平均侵害率为18.11%,城区室内以德国小蠊为优势种群,占总体的83.26%,而若虫的比例较高,占总体的50.59%。蟑螂全年均有活动,在7-8月为活动的高峰期,密度达到0.53只/张。7年来以农贸市场蟑螂平均密度和平均侵害率为最高,分别为0.78只/张和26.13%。结论攀枝花市优势种为德国小蠊,农贸市场是蟑螂的重要生境,应加强对农贸市场的监测和防治。

Objective To understand the distribution and seasonal growth of the cockroaches in the urban area of Panzhihua City,so as to formulate effective preventive and control measures according to the survey data. Methods Using sticky capture method for monitoring.The monitoring work was conducted in three districts of the city.Habitats as farmers markets,hotels,restaurants,hospitals and residential areas were selected to monitor,and the monitoring points were relatively fixed.Results From 2010 to 2016,the annual average density of cockroaches in Panzhihua City was 0. 46 insects per board,the average annual rate of invasion was 18. 11%. Blattella germanica accounted for 83. 26%,which was the dominant species in the region,while the proportion of nymphs was higher,accounting for 50. 59% of the total.Cockroaches were found throughout the year,and the density peak appeared in July and August.The average density and average rate of abuse of cockroaches in the farmers＇ market were the highest in seven years,which were 0. 78 insects per board and 26. 13% respectively.Conclusion Blattella germanica was the dominant species in Panzhihua.Farmers markets were important habitat of cockroaches,the monitoring and control in farmers markets should be strengthened.