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首页> 美国卫生研究院文献>Journal of Insect Science >Seasonal Migration in the Aphid Genus Stomaphis (Hemiptera: Aphididae): Discovery of Host Alternation Between Woody Plants in Subfamily Lachninae
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Seasonal Migration in the Aphid Genus Stomaphis (Hemiptera: Aphididae): Discovery of Host Alternation Between Woody Plants in Subfamily Lachninae

机译：蚜虫属（Hemiptera：Aphididae）中的季节性迁移：发现亚家族植物中的宿主交替

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摘要

About 10% of aphid species show host alternation. These aphids migrate between primary and secondary host plant species in spring and autumn. Host alternation has not been observed in subfamily Lachninae, although it has been suggested on the basis of circumstantial evidence that Stomaphis japonica (Takahashi) may alternate its host between Quercus serrata (Murray) and Quercus acutissima (Carruth). However, a molecular phylogenetic study has indicated that the Stomaphis individuals feeding on these two plant species belong to two different lineages and aphids feeding on Q. acutissima and Pinus densiflora (Sieb. & Zucc.) belong to the same lineage. Here, we examined host alternation in Stomaphis species by comparing molecular phylogenetic identities, morphological features, and life cycles. The molecular analysis and morphological examination showed that aphids feeding on Q. acutissima were the same as those feeding on P. densiflora, whereas aphids feeding on Q. serrata were different from those feeding on Q. acutissima or on P. densiflora. Furthermore, winged aphids were observed on both Q. acutissima and P. densiflora in autumn, but we did not observe winged aphids on Q. serrata. These results indicate that Stomaphis (Walker) individuals feeding on Q. serrata and Q. acutissima belong to two species, one that feeds year-round on Q. serrata, and another, heteroecious species that feeds on P. densiflora as a primary host and on Q. acutissima as a secondary host. This study documents host alternation in subfamily Lachninae for the first time and discusses the acquisition of host alternation by Stomaphis from evolutionary and ecological perspectives.
机译：大约10％的蚜虫物种显示主机交替。这些蚜虫在春季和秋季在初级和次级宿主植物种类之间迁移。在亚家族Lachninae中尚未观察到宿主交替，尽管已经基于Stepaphis japonica（Takahashi）可以在昆虫塞拉塔（Murray）和Quercus Acutissima（Carruth）之间交替其宿主的情况。然而，分子系统发育研究表明，在这两种植物物种上饲养的浮肿个体属于两种不同的谱系和饲喂Q.Acutissima和Pinus densiflora（Sieb。＆Zucc。）属于同一血统。在这里，我们通过比较分子系统发育身份，形态学特征和生命周期来检查物种中的宿主交替。分子分析和形态学检查表明，在Q.Acutissima上饲喂的蚜虫与P. Densiflora的饲料相同，而饲喂于Q.Serrata的蚜虫与Q.Acutissima或P. Densiflora的蚜虫不同。此外，在秋季Q.Acutissima和P. Densiflora两者上观察到翼状蚜虫，但我们没有观察到Q. Serrata的翅膀蚜虫。这些结果表明，STHAPHIS（WALKER）喂养Q. Q.Cerrata和Q. Acurissima属于两种物种，在Q.Serrata上喂食，另一种杂种物种作为主要宿主为主要宿主和归因于P. Densiflora。关于Q. AcuRissima作为次要主人。本研究文件首次介绍了亚家族Lachninae的交替，并探讨了从进化和生态观点获取了物质宿主交替。

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