吉林省稻螟赤眼蜂的发现和鉴定  

The New Record of Trichogramma japonicum Ashmead,an Egg Parasitoid of Chilo suppressalis(Walker) in Jilin,China

作　　者：郭震[1] 阮长春[1] 臧连生[1] 张帆[2] 靳锋云[3] 

机构地区：[1]吉林农业大学生物防治研究所,长春130118 [2]北京市农林科学院植保环保所,北京100089 [3]吉林省农业技术推广总站,长春130021

出　　处：《中国生物防治学报》2011年第2期276-279,共4页Chinese Journal of Biological Control

基　　金：吉林省科技发展计划资助项目(20090560);国家"十一五"科技支撑计划项目(2008BADA5B02);吉林农业大学科学研究启动基金资助项目

摘　　要：采用二化螟Chilo suppressalis（Walker）卵田间诱集的方法获得赤眼蜂Trichogramma寄生卵,室内培养羽化后,解剖并观察其雄性外生殖器特征,同时进行rDNA-ITS2序列分析,确定其为稻螟赤眼蜂T.japonicum Ashmead。BLAST分析结果表明,当地采集的供试赤眼蜂ITS2与广东的稻螟赤眼蜂相似性高达99.3%~100%。本研究首次确证吉林省存在寄生水稻二化螟的稻螟赤眼蜂自然种群。Trichogramma wasps were collected using sentinel eggs of Chilo suppressalis（Walker） in rice fields.Through morphological identification of male genitalia and analysis of rDNA-ITS2 sequences,a Trichogramma species collected was identified as T.japonicum Ashmead.The results of sequence alignment of ITS2 region showed that Trichogramma sp.collected in Jilin had 99.3%-100% similarity with T.japonicum originated from Guangdong.The present work demonstrated for the first time that there are natural populations of T.japonicum parasitizing C.suppressalis in Jilin,China.

关 键 词：二化螟 稻螟赤眼蜂 生物防治 

分 类 号：S476.3[农业科学—农业昆虫与害虫防治] S435.112.1[农业科学—植物保护]