首页> 外文期刊>Organisms, diversity, & evolution >Morphological dissection of behavior: thoracic musculature clarifies independent development of jumping mechanisms between sister groups, planthoppers and leafhoppers (Insecta: Hemiptera: Auchenorrhyncha)
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Morphological dissection of behavior: thoracic musculature clarifies independent development of jumping mechanisms between sister groups, planthoppers and leafhoppers (Insecta: Hemiptera: Auchenorrhyncha)

机译:行为的形态学解剖:胸部肌肉组织阐明了姐妹群,Planthoppers和叶蝉之间的跳跃机制的自主发展(昆虫:Hemiptera:Auchenorrhyncha)

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摘要

Morphological and behavioral characters are frequently examined for comparative studies. Unlike morphology, a single behavioral trait is difficult to subdivide as multiple characters, even when achieved by many evolutionary changes. Therefore, when similar behavioral traits evolved independently among closely related taxa, their distinction is difficult. Almost all members of the suborder Auchenorrhyncha (Insecta: Hemiptera) possess a jumping ability that uses metathoracic muscles, and this behavioral trait has been regarded as a synapomorphy. In this study, the anatomical observations of metathoracic muscles revealed that highly elaborated jumping ability was gained independently within the suborder, although the evolution of jumping ability might have been initiated at their common ancestor. Our results provide an example of identifying a true evolutionary pathway by dissecting a behavioral character into mechanical elements.
机译:对比较研究经常检查形态和行为特征。 与形态学不同,即使通过许多进化变化实现,单个行为特征难以作为多个字符细分。 因此,当相似的行为特征在密切相关的分类群中独立演变时,它们的区别很难。 几乎所有亚肠病Auchenorrhyncha(Inseta:hemiptera)的成员都具有跳跃能力,这些能力使用脱毛肌肉,而这种行为特征被认为是一个同义词。 在这项研究中,复杂肌肉的解剖学观察显示,在亚达中独立地获得了高度阐述的跳跃能力,尽管可能已经在其共同的祖先启动了跳跃能力的演变。 我们的结果提供了通过将行为特征解剖到机械元件来识别真正的进化途径的示例。

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