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Phylogenomics, reticulate evolution and spatiotemporal diversification in Anthocoris (Hemiptera: Anthociridae): impacts of repeated uplifts of the Qinghai–Tibetan Plateau across Eurasia.

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Title: Phylogenomics, reticulate evolution and spatiotemporal diversification in Anthocoris (Hemiptera: Anthociridae): impacts of repeated uplifts of the Qinghai–Tibetan Plateau across Eurasia.
Authors: Tang, Ze‐chen1 (AUTHOR), Dong, Xue1,2 (AUTHOR), Yamada, Kazutaka3 (AUTHOR), Zhu, Xiu‐xiu1 (AUTHOR), Wang, Kai‐bing1 (AUTHOR), Zhang, Dan‐li4 (AUTHOR), Fu, Si‐ying1 (AUTHOR), Qiao, Mu1 (AUTHOR), Wang, Ying1 (AUTHOR), Zhou, Jia‐yue1 (AUTHOR), Ye, Zhen1 (AUTHOR) yezhen1987331@nankai.edu.cn, Bu, Wen‐jun1 (AUTHOR) wenjunbu@nankai.edu.cn
Source: Cladistics. Jun2026, Vol. 42 Issue 3, p264-285. 22p.
Subjects: Orogeny, Molecular phylogeny, Continents, Biological classification, Phylogeography, Species hybridization, Gene flow
Geographic Terms: Eurasia, Qinghai Sheng (China)
Abstract: The Qinghai–Tibetan Plateau, the core of the Eurasian mountain belt, has repeatedly reshaped the formation and pattern of biodiversity through episodic uplift and associated geoclimatic changes. Despite its central role in shaping biotic evolution across Eurasia, genus‐level studies that jointly evaluate the effects of orogeny, hybridization and ecological adaptation remain scarce. Here, we integrate multilocus phylogenomics (nuclear and mitochondrial), network‐based reticulation inference, divergence dating, macroevolutionary modelling and codon‐based molecular adaptation tests (branch‐site dN/dS on protein‐coding genes) to reconstruct the spatiotemporal diversification of the predatory insect genus Anthocoris across Eurasia. We identified two episodes of rapid lineage diversification: a basal radiation (BR; late Oligocene–Miocene, ~25–15 Ma) and a terminal radiation (TR; mid‐Miocene to Pleistocene), supported by independent evidence from diversification rate shifts (e.g., ClaDS, CoMET) and dense clusters of short branches, with the strongest signals in high‐elevation lineages. Genome‐scale phylogenomic discordance points to incomplete lineage sorting and ancient introgression as joint drivers of these patterns, gauged by the extent of deep gene‐tree conflict and independent genome‐wide tests (quartet analyses and D‐statistics), with network inference corroborating reticulation. The timing and geography of BR and TR align with major geoclimatic episodes: the formation of the modern Qinghai–Tibetan Plateau (~25–15 Ma), the subsequent formation of the Himalayas–Hengduan Mountains (~15 Ma onward), the closure of the Tethys Sea, Central Asian aridification and the Miocene cooling. Ancestral‐range reconstructions place the origin of Anthocoris in northern Eurasia, and coupled with retention and sorting of ancestral polymorphism under niche conservatism, likely facilitated repeated high‐elevation adaptation. This study provides new evidence and a theoretical framework showing that the repeated uplift of the Qinghai–Tibetan Plateau—acting with continent‐wide geographic and climatic shifts and ancestral gene flow—jointly drove diversification and generated complex spatiotemporal patterns within genera across Eurasia. [ABSTRACT FROM AUTHOR]
Copyright of Cladistics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Phylogenomics, reticulate evolution and spatiotemporal diversification in Anthocoris (Hemiptera: Anthociridae): impacts of repeated uplifts of the Qinghai–Tibetan Plateau across Eurasia.
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  Data: <searchLink fieldCode="AR" term="%22Tang%2C+Ze‐chen%22">Tang, Ze‐chen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Xue%22">Dong, Xue</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yamada%2C+Kazutaka%22">Yamada, Kazutaka</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Xiu‐xiu%22">Zhu, Xiu‐xiu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Kai‐bing%22">Wang, Kai‐bing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Dan‐li%22">Zhang, Dan‐li</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Si‐ying%22">Fu, Si‐ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qiao%2C+Mu%22">Qiao, Mu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Ying%22">Wang, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Jia‐yue%22">Zhou, Jia‐yue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ye%2C+Zhen%22">Ye, Zhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yezhen1987331@nankai.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Bu%2C+Wen‐jun%22">Bu, Wen‐jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wenjunbu@nankai.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Cladistics%22">Cladistics</searchLink>. Jun2026, Vol. 42 Issue 3, p264-285. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Orogeny%22">Orogeny</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+phylogeny%22">Molecular phylogeny</searchLink><br /><searchLink fieldCode="DE" term="%22Continents%22">Continents</searchLink><br /><searchLink fieldCode="DE" term="%22Biological+classification%22">Biological classification</searchLink><br /><searchLink fieldCode="DE" term="%22Phylogeography%22">Phylogeography</searchLink><br /><searchLink fieldCode="DE" term="%22Species+hybridization%22">Species hybridization</searchLink><br /><searchLink fieldCode="DE" term="%22Gene+flow%22">Gene flow</searchLink>
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  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Eurasia%22">Eurasia</searchLink><br /><searchLink fieldCode="DE" term="%22Qinghai+Sheng+%28China%29%22">Qinghai Sheng (China)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The Qinghai–Tibetan Plateau, the core of the Eurasian mountain belt, has repeatedly reshaped the formation and pattern of biodiversity through episodic uplift and associated geoclimatic changes. Despite its central role in shaping biotic evolution across Eurasia, genus‐level studies that jointly evaluate the effects of orogeny, hybridization and ecological adaptation remain scarce. Here, we integrate multilocus phylogenomics (nuclear and mitochondrial), network‐based reticulation inference, divergence dating, macroevolutionary modelling and codon‐based molecular adaptation tests (branch‐site dN/dS on protein‐coding genes) to reconstruct the spatiotemporal diversification of the predatory insect genus Anthocoris across Eurasia. We identified two episodes of rapid lineage diversification: a basal radiation (BR; late Oligocene–Miocene, ~25–15 Ma) and a terminal radiation (TR; mid‐Miocene to Pleistocene), supported by independent evidence from diversification rate shifts (e.g., ClaDS, CoMET) and dense clusters of short branches, with the strongest signals in high‐elevation lineages. Genome‐scale phylogenomic discordance points to incomplete lineage sorting and ancient introgression as joint drivers of these patterns, gauged by the extent of deep gene‐tree conflict and independent genome‐wide tests (quartet analyses and D‐statistics), with network inference corroborating reticulation. The timing and geography of BR and TR align with major geoclimatic episodes: the formation of the modern Qinghai–Tibetan Plateau (~25–15 Ma), the subsequent formation of the Himalayas–Hengduan Mountains (~15 Ma onward), the closure of the Tethys Sea, Central Asian aridification and the Miocene cooling. Ancestral‐range reconstructions place the origin of Anthocoris in northern Eurasia, and coupled with retention and sorting of ancestral polymorphism under niche conservatism, likely facilitated repeated high‐elevation adaptation. This study provides new evidence and a theoretical framework showing that the repeated uplift of the Qinghai–Tibetan Plateau—acting with continent‐wide geographic and climatic shifts and ancestral gene flow—jointly drove diversification and generated complex spatiotemporal patterns within genera across Eurasia. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Cladistics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1111/cla.70025
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 22
        StartPage: 264
    Subjects:
      – SubjectFull: Orogeny
        Type: general
      – SubjectFull: Molecular phylogeny
        Type: general
      – SubjectFull: Continents
        Type: general
      – SubjectFull: Biological classification
        Type: general
      – SubjectFull: Phylogeography
        Type: general
      – SubjectFull: Species hybridization
        Type: general
      – SubjectFull: Gene flow
        Type: general
      – SubjectFull: Eurasia
        Type: general
      – SubjectFull: Qinghai Sheng (China)
        Type: general
    Titles:
      – TitleFull: Phylogenomics, reticulate evolution and spatiotemporal diversification in Anthocoris (Hemiptera: Anthociridae): impacts of repeated uplifts of the Qinghai–Tibetan Plateau across Eurasia.
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              Text: Jun2026
              Type: published
              Y: 2026
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