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目的掌握本溪城区蟑螂种群分布情况。方法采用粘捕法监测蟑螂在居民、餐饮、医院、农贸市场4类生境的密度与分布情况。结果 2001-2012年,本溪城区蟑螂密度呈年度增长趋势,每年的高密度期在7-10月,农贸大厅蟑螂平均密度最高(1.872只/张),分别是医院、餐饮、居民环境的48、42.5、20.1倍。蟑螂种群共计3种,即德国小蠊、美洲大蠊和日本大蠊,分别占捕蟑总数的96.58%、3.11%和0.31%。优势种群为德国小蠊。结论本溪市城区蟑螂防治工作,宜以德国小蠊为主要防治对象,农贸大厅为重点防治场所,每年7-10月应加强蟑螂综合防治工作,以减少蟑螂危害。
Objective To understand the distribution of cockroaches in Benxi urban area. Methods The density and distribution of cockroaches in four habitats of residents, restaurants, hospitals and farmers’ markets were monitored by sticky catching method. Results From 2001 to 2012, the density of cockroaches in Benxi area showed an annual increasing trend. The annual density of cockroaches was highest in July-October from July to October (1.872 birds per Zhang), which were respectively the hospital, catering and resident environment 48, 42.5,20.1 times. Cockroach population total of three species, namely, German cockroach, American cockroach and Japanese cockroach, cockroach accounted for the total number of 96.58%, 3.11% and 0.31%. The dominant species is German cockroach. Conclusion Cockroach prevention and control in Benxi City should be dominated by Blattella germanica, and the farmer’s hall should be the key control site. Comprehensive cockroach prevention and control should be strengthened from July to October every year to reduce the risk of cockroach.