论文部分内容阅读
目的了解大同市城区蟑螂侵害状况。方法在2006～2007年,通过粘捕方法,将捕获的蟑螂进行分类,统计数量。结果大同市城区蟑螂种类以德国小蠊为优势种群,总侵害率为77.83%。侵害率较高的为农贸市场(93.59%)、居民区(84.37%)、餐饮业(80.34%)。蟑螂平均密度为10.1只/张,其中密度最高是农贸市场,为21.6只/张。每年2～6月粘蟑数量较多,蟑螂密度及侵害率也较高。结论大同市城区蟑螂侵害严重,防治蟑螂工作必须尽快落实。
Objective To understand the status of cockroaches in Datong City. Methods From 2006 to 2007, the captured cockroaches were classified and statistically analyzed by stick catching method. Results Cockroach in urban area of Datong was dominated by Blattella germanica, with a total invasion rate of 77.83%. Higher infringement rate for the farmers market (93.59%), residential areas (84.37%), catering (80.34%). The average density of cockroaches is 10.1 / piece, of which the highest density is the farmer’s market, 21.6 pieces / piece. The number of sticky cockroaches is more from February to June every year, and the density of cockroaches and the infringement rate are also higher. Conclusion The cockroaches in Datong City are seriously damaged and the work of preventing and controlling cockroaches must be implemented as soon as possible.