2005-2007年大连市蜚蠊种群分布及生态习性调查

目的掌握大连市蜚蠊种群分布和季节消长等动态变化规律。方法统一使用粘捕盒诱捕。结果全市共有3种蜚蠊分布，其中德国小蠊为优势种，占96．89％；日本大蠊和黑胸大蠊所占比例较小，分别为3．02％和0．09％。蜚蠊以7—10月为其活动高峰期。行业分布以农贸市场密度最高，其他依次为居民区、餐饮业、宾馆、医院。结论德国小蠊现已成为大连市主要优势种，应将其列为今后防治的重点。

Investigation on cockroach population distribution and its ecological habit in Dalian from 2005 to 2007

Objective To grasp the dynamic change of the population distribution and seasonal fluctuation of cockroach in Dalian. Methods The baits and traps method was used in the surveillance. Results There were 3 species of cockroaches, and BlatteUa germanica was the dominant species, accounting for 96.89%. Periplaneta japonica and P.fuliginosa accounted for 3.02% and 0.09% respectively. The activity peak of the cockroach was from July to October. The order of cockroach distributed in different trade was farm produce trade market, residential area, restaurant, hotel and hospital. Conclusion B.germanica was the dominant species in Dalian, suggesting that it should put the emphasis on the control of it in the future.