河南省新记录种:拟德国小蠊

Newly recorded species of the genus Blattella from Henan province:Blattella lituricollis

目的探讨郑州大学新校区及其周边地区蜚蠊种群发生的物种组成,并对物种个体进行鉴定。方法于校区内学生宿舍、食堂等不同地点采集蜚蠊成虫、若虫和卵,置于95%乙醇中带回实验室,按照蜚蠊目的分类标准,经过外形观察和内部解剖2个步骤,得出最终种类鉴定结果。结果发现所有鉴定个体同属于1科1属的2个近缘种,即德国小蠊(Blattella germanica)和拟德国小蠊(Blattella lituricollis),其中德国小蠊为优势种,拟德国小蠊为河南省首次发现。结论拟德国小蠊在河南省的发现应引起相关部门重视,及时做出合理的防治对策。

Objective The investigate the species composition of cockroaches in and around the new campus of Zhengzhou University,and to identify the species of individuals.Methods Cockroach adults,nymphs and eggs were collected from different locations such as the dormitories and canteens at the campus,which were placed in 95% ethanol and taken back to the laboratory.The species of these specimens were finally identified in accordance with the classification standards for the order Blattodea after morphological observation and internal anatomy.Results All identified specimens belonged to two closely related species of a same genus of a same family,namely the Blattella germanica and Blattella lituricollis.The dominant species was the B.germanica,and B.lituricollis was the first record in Henan province.Conclusion The relevant authorities shall attach importance to the first discovery of B.lituricollis in Henan province and develop reasonable control and prevention strategies in a timely manner.