蚜总科 meaning in English

aphidoidea

The average transition : transversion ratio was 1 . 0 which indicated the genetic differentiation was great . the ration was 2 in nuclear dna gene . as a rule the ts : tv ratio decreased with the increasing genetic distance
1数据分析软件，构建蚜总科蚜虫分子系统树，探讨这些类群这间的分类地位和亲缘关系，这在国内外尚属首次。
The respective outgroups acyrthosium pisum and lygus heperus knight are the new gene informations for the international biology gene bank . here we got the issrdna sequence data of the aphidiodea , which were firstly aligned by clustal w and then used to construct phylogenetic tree by mega 2 . 1 . the result of cervaphinae revealed that : ? he sequence included 797bp in length
本研究以越南、北京地区的蚜总科内代表蚜虫为主要研究对象，在依据外部形态分类鉴定的基础上，应用dna序列测定技术于蚜总科昆虫系统学研究，通过pcr扩增获得蚜虫18srdna基因序列，应用clustalw程序进行同源对比，采用mega2