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Morphological evolution in Hyles Hübner, 1819 hawkmoths (Lepidoptera, Sphingidae): reconstructing the ancestral Hyles habitus
Nota Lepidopterologica ( IF 0.7 ) Pub Date : 2020-07-31 , DOI: 10.3897/nl.43.49512
Anna K. Hundsdoerfer , Ian J. Kitching

. Molecular phylogenetic studies suggest that similar wing and body patterns in the hawkmoth genus Hyles Hübner, [1819] do not necessarily reflect a close phylogenetic relationship. To improve our understanding of morphological evolution in these organisms, 75 characters derived from the external adult morphology are explicitly coded and analysed in a maximum parsimony cladistic framework. The results corroborate the hypothesis that wing and body patterns have indeed reappeared in different parts of the phylogeny but the underlying genetic mechanism remains to be determined. By reconstructing the suite of ancestral states of the morphological characters using Bayesian inference, we derived an approximation of the appearance of the proto-Hyles species. The overall habitus of this moth does not display a combination of characters found in any extant Hyles species. Rather, the forewings are most like those of members of the Hyles euphorbiae-complex but with better developed antemedial and postmedial lines, the hindwings are typical Hyles, and the abdominal pattern most closely resembles that of Hyles euphorbiarum (Guérin-Méneville & Percheron, 1835), but with one fewer pairs of black subdorsal patches. Within the context of the subtribe Choerocampina and Sphingidae more generally, the proto-Hyles reconstruction does not resemble any other species apart from Rhodafra opheltes (Cramer, 1780), but this appears to be another instance of convergent pattern expression.

中文翻译:

Hy19Hübner,1819天蛾(鳞翅目,鞘翅目)的形态学演变:重建祖先Hyles habitus

。分子系统发育研究表明,天蛾属HylesHübner[1819]中相似的机翼和身体模式不一定反映出紧密的系统发育关系。为了提高我们对这些生物的形态进化的理解,在一个最大的简约进化框架中,对来自外部成年形态的75个字符进行了明确编码和分析。结果证实了这样的假说,即机翼和身体形态确实已在系统发育的不同部分重新出现,但潜在的遗传机制仍有待确定。通过使用贝叶斯推断重建形态特征的祖先状态套件,我们推导了原始Hyles物种的外观的近似值。这种飞蛾的总体习性并不表现出在任何现存的海尔斯物种中发现的特征的组合。相反,前翅最像海尔斯大戟复合体的成员,但前内侧和后内侧线发达,后翅是典型的海尔斯,其腹部形态最类似于大戟海藻(Guérin-Méneville&Percheron,1835年) ),但少了一对黑色的背部背面斑块。在一般情况下,在霍氏弯曲藻和鞘翅目亚科的背景下,原始的Hyles重建与除了Rhodafra opheltes(Cramer,1780)以外的其他任何物种都不相似,但这似乎是趋同模式表达的另一个实例。前翅最像是Hyles euphorbiae-complex的成员,但是前翅和后中线较发达​​,后翅是典型的Hyles,其腹部形态最类似于Hyles euphorbiarum(Guérin-Méneville&Percheron,1835年),但是少了一对黑色的背部背面斑块。在一般情况下,在霍氏弯曲藻和鞘翅目亚科的背景下,原始的Hyles重建与除了Rhodafra opheltes(Cramer,1780)以外的其他任何物种都不相似,但这似乎是趋同模式表达的另一个实例。前翅最像是Hyles euphorbiae-complex的成员,但是前翅和后中线较发达​​,后翅是典型的Hyles,腹部形态最像Hyles euphorbiarum(Guérin-Méneville&Percheron,1835),但是少了一对黑色的背部背面斑块。在一般情况下,在霍氏弯曲藻和鞘翅目亚科的背景下,原始的Hyles重建与除了Rhodafra opheltes(Cramer,1780)以外的其他任何物种都不相似,但这似乎是趋同模式表达的另一个实例。
更新日期:2020-07-31
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