中华卫生杀虫药械

目的了解大连市蟑螂密度季节消长变化,为制定合理的防治措施提供科学依据。方法粘捕法。结果大连地区蟑螂的优势种为德国小蠊,占99.55%。2010-2013年的蟑螂密度为1.35只/张,侵害率为15.52%。夏季为蟑螂活动高峰时期。农贸市场捕获蟑螂的数量最高,密度最大,侵害率也最高;其次是餐饮场所和居民区;宾馆和医院最低。结论应加大对农贸市场及餐饮场所的蟑螂防治及卫生监督管理。

Objective To understand the density of cockroaches and its seasonal fluctuation in Dalian city and provide scientific basis for cockroach control. Methods Sticky trap method was employed in the investigation. Results Blattella germanica was the dominant species accounting for 99. 55%. The total cockroach density was 1. 35 and the total invasion rate was 15. 52% from 2010 to 2013. The density peak appeared in summer. The highest quantity,density and invasion rate of cockroaches occurred in farmers markets. Conclusion Cockroach management should be strengthened in farmers markets and dining places.