Phylogeny of the flea beetles (Galerucinae: Alticini) and the position of Aulacothorax elucidated through anchored phylogenomics (Coleoptera: Chrysomelidae: Alticini)

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY Systematic Entomology Pub Date : 2023-03-03 DOI:10.1111/syen.12582
Hume B. Douglas, Alexander S. Konstantinov, Adam J. Brunke, Alexey G. Moseyko, Julie T. Chapados, Jackson Eyres, Robin Richter, Karine Savard, Elizabeth Sears, Kaniyarikkal D. Prathapan, Yongying Ruan, Jeremy R. Dettman
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引用次数: 4

Abstract

The Alticini comprise 601 genera and 10,000 species, including plant pests. Their phylogeny remains largely unresolved, inhibiting taxonomic stability, specimen identification and biological understanding. Here, we generated a genomic dataset using Anchored Hybrid Enrichment (AHE) for 54 genera of Alticini, 16 of Galerucini, and 40 of other Chrysomelidae to test the monophyly of Alticini, and its genus groups, and to examine the utility of established diagnostic characters. Maximum likelihood and coalescent phylogenetic analyses produced resolved and overall congruent topologies. Synetinae was sister to Cassidinae + Eumolpinae + Lamprosomatinae + Cryptocephalinae, supporting its recognition as valid. Within Galerucinae, Aulacothorax Boheman was found as sister to Galerucini + Alticini (each monophyletic). Tribe Serraticollini White stat. rev. is reinstated as valid, as the oldest available name for the higher lineage containing Aulacothorax. We extend Crowson's classification, with Alticini, Galerucini, and Serraticollini united under Galerucinae. We transfer genera Chalaenosoma Jacoby, Demarchus Jacoby, and Mandarella Duvivier from Alticini to Galerucini incertae sedis, and confirm prior transfers of Hespera Weise, Luperomorpha Weise and Nonarthra Baly from Alticini to Galerucini incertae sedis. Galerucini and Alticini are reciprocally monophyletic following these transfers. Our work recovered multiple evolutionary origins of jumping hind legs in Galerucinae, hindering straightforward morphological diagnosis of tribes. We provide diagnoses for Alticini, Galerucini and Galerucinae, but these require dissection of female genitalia. We achieved some phylogenetic resolution within Alticini, but found few adult morphological characters to define subclades. Our results indicate that with future denser taxon sampling, AHE phylogenomics could provide a robust basis for subtribal classifications.

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跳蚤甲虫的系统发育(Galerucinae:Alticini)和Aulacothorax的位置通过锚定系统发育组学阐明(鞘翅目:金蜂科:Alticiini)
Alticini包括601属和10,000种,包括植物害虫。它们的系统发育在很大程度上仍未得到解决,这抑制了分类稳定性、标本鉴定和生物学认识。本研究利用锚定杂交富集(AHE)技术建立了54个Alticini属、16个Galerucini属和40个其他金莺科的基因组数据集,以检验Alticini及其属群的单系性,并检验已建立的诊断特征的实用性。最大似然和聚结系统发育分析产生解决和整体一致的拓扑结构。Synetinae是Cassidinae + Eumolpinae + Lamprosomatinae + Cryptocephalinae的姐妹,支持其有效识别。在Galerucini科中,Aulacothorax Boheman与Galerucini + Alticini(均为单系)为姊妹。部落Serraticollini White stat. rev.被恢复为有效,作为包含Aulacothorax的更高谱系的最古老的可用名称。我们扩展了Crowson的分类,将Alticini, Galerucini和Serraticollini合并在Galerucinae下。我们将Chalaenosoma Jacoby, Demarchus Jacoby和Mandarella Duvivier属从Alticini转移到Galerucini incertae sedis,并确认先前将Hespera Weise, Luperomorpha Weise和Nonarthra Baly从Alticini转移到Galerucini incertae sedis。Galerucini和Alticini在这些转移之后是相互单系的。我们的工作恢复了Galerucinae跳跃后腿的多个进化起源,阻碍了对部落的直接形态学诊断。我们提供Alticini, Galerucini和Galerucinae的诊断,但这些需要解剖女性生殖器。我们在Alticini中获得了一定的系统发育分辨率,但发现很少有成年形态特征来定义亚支系。我们的研究结果表明,随着未来更密集的分类单元采样,AHE系统基因组学可以为亚部落分类提供坚实的基础。
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来源期刊
Systematic Entomology
Systematic Entomology 生物-进化生物学
CiteScore
10.50
自引率
8.30%
发文量
49
审稿时长
>12 weeks
期刊介绍: Systematic Entomology publishes original papers on insect systematics, phylogenetics and integrative taxonomy, with a preference for general interest papers of broad biological, evolutionary or zoogeographical relevance.
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