| Association of aphid life stages using DNA sequences： A case study of tribe Eriosomatini （Hemiptera： Aphididae Pemphiginae） |
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| 作者姓名： | He-Cai Zhang ;Dong Zhang ;Ge-Xia Qiao |
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| 作者单位： | [1]Institute of Zoology, Chinese Academy of Sciences, Beijing; [2]Henan Normal University, Xinxiang, Henan Province; [3]Graduate University of the Chinese Academy of Sciences, Beijing, China |
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| 基金项目： | Acknowledgments We are indebted to Jian-Feng Wang and Juan-Juan Yu of the Institute of Zoology, Chinese Academy of Sciences for collecting specimens. This work was supported by the National Natural Sciences Foundation of China （No. 30670240, No. 30830017）, CAS Innovation Program （No. KSCX2-YW-Z-011, No. KSCX3-IOZ-0612） to Ge-Xia Qiao, and National Science Fund for Fostering Talents in Basic Research （special subjects in animal taxonomy, NSFC-J0630964/J0109）. |
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| 摘 要： | Association of aphid life stages based on a portion of COI sequence was applied in Eriosomatini. Three aphid specimens, nos. 17496, 19265a, and 19265b collected on Gramineae roots all clustered with Tetraneura chinensis Mordvilko with strong support. The average pairwise p-distance among the four taxa was 0.001 （range, 0.000-0.002）, and that among all the ingroup taxa was 0.065 （range, 0.000-0.141）. This indicated that nos. 17496 and 19265 b were the secondary-host morphs of T. chinensis. In this paper the secondary host morph of T. chinensis is described for the first time. With the identification of more species＇ secondary-host morphs, aphids identification based on this morph will be made easily.
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| 关 键 词： | COI基因 蛏类线粒体 序列 系统学 |
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