兰州市2006-2010年蟑螂监测结果分析

目的了解兰州地区蟑螂消长规律,完成国家监测任务。方法粘捕法。结果捕获蟑螂31 258只,均为德国小蠊,2006-2010年农贸市场、宾馆、餐饮单位、居民社区和医院蟑螂密度分别为3.30只/张、4.50只/张、2.68只/张、3.86只/张、0.51只/张,侵害率分别为11.03%、33.56%、16.43%、18.89%、6.02%。蟑螂密度每年2～8月逐步升高,9～10月出现一高峰,侵害率的高峰出现在10月。结论应充分利用季节和气候变化规律对蟑螂消长的影响,结合环境治理开展蟑螂密度控制工作。

Analysis on the monitoring result of cockroaches in Lanzhou City from 2006 to 2010

Objective To understand the growth and decline rules of cockroaches in Lanzhou,and complete the national detection task.Method Sticky capture method.Results 31 258 cockroaches,were captured,and all of them were blattella germanica From 2006 to 2010,the density of cockroaches in farmers markets,hotels,restaurants,residential quarters and hospitals were 3.30 cockroaches/sheet,4.50 cockroaches/sheet,2.68 cockroaches/sheet,3.86 cockroaches/sheet,and 0.51 cockroach/sheet,respectively;and the infestation rates were 11.03%,33.56%,16.43%,18.89%,and 6.02%,respectively.Conclusions Blattella germanica was the dominant species.The density of cockroach increased from February to August each year gradually,and reached its peak in September and October.At the same time the peak of infestation rate also appeared in October.We should control the density of cockroaches by using the seasonal and climatic changes' influence on the growth and decline of cockroaches and combining with environmental management.