Anchored phylogenomics and revised classification of the Miltogramminae (Diptera: Sarcophagidae)

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
Nikolas P. Johnston, Thomas Pape, Marcin Piwczyński, James F. Wallman, Brian M. Wiegmann, Brian K. Cassel, Kamran Akbarzadeh, Krzysztof Szpila
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引用次数: 0

Abstract

The Miltogramminae (Diptera: Sarcophagidae) includes ~600 species across >40 genera, which constitute ~20% of global Sarcophagidae. While molecular phylogenetic hypotheses have been produced for this group, critical problems persist, including the presence of paraphyletic genera, uncertain relationships between genera, a bias of sampling towards Palaearctic taxa, and low support for many branches. The present study remedies these issues through the application of Anchored Hybrid Enrichment (AHE) to a sample including ~60% of the currently recognised genera (16% of known species) representing all biogeographic regions except the Neotropical. An alignment of 1,281 concatenated loci was analysed with maximum likelihood (RAxML, IQ-TREE), Bayesian inference (ExaBayes) and coalescent-based approaches (ASTRAL, SVDquartets), which resulted in highly supported and concordant topologies, providing unprecedented insight into the relationships of this subfamily of flesh flies, allowing a major update to miltogrammine classification. The AHE phylogenetic hypothesis supports the monophyly of a large proportion of genera. The monophyly of Metopia Meigen is restored by synonymy with Aenigmetopia Malloch, syn.n. To achieve monophyly of Miltogramma Meigen, eight species are transferred from Pterella Robineau-Desvoidy. The genus Pterella is shown to be paraphyletic in its current circumscription, and to restore generic monophyly Pterella is restricted to contain only Pt. grisea (Meigen). Erioprocta Enderlein, stat.rev., is resurrected. The genus Senotainia Macquart is reconstructed as paraphyletic. The monotypic genus Metopodia Brauer & Bergenstamm is synonymised with Taxigramma Macquart, syn.n. In light of our phylogenetic hypotheses, a new Miltogramminae tribal classification is proposed, composed of six tribes.

Abstract Image

Abstract Image

Miltogramminae(双翅目:猿科)的锚定系统发生组学和修订分类
Miltogramminae(双翅目: Sarcophagidae)包括 40 个属的约 600 个物种,占全球 Sarcophagidae 的约 20%。虽然已经对该类群提出了分子系统发育假说,但关键问题依然存在,包括存在旁支属、属间关系不确定、采样偏向古北区类群以及许多分支的支持率较低。本研究通过应用锚定杂交富集(AHE)技术,对代表除新热带地区以外所有生物地理区域的约 60% 的目前已确认属(16% 的已知物种)进行取样,解决了这些问题。利用最大似然法(RAxML、IQ-TREE)、贝叶斯推断法(ExaBayes)和基于聚合的方法(ASTRAL、SVDquartets)对 1,281 个连接位点的排列进行了分析,得出了高度支持和一致的拓扑结构,为深入了解肉蝇亚科的关系提供了前所未有的视角,从而对小米蝇的分类进行了重大更新。AHE 系统发育假说支持大部分属的单系性。Metopia Meigen 的单系性通过与 Aenigmetopia Malloch,syn.n.的同义关系得以恢复。为了实现 Miltogramma Meigen 的单系性,从 Pterella Robineau-Desvoidy 转来了 8 个种。Pterella 属在目前的圈定中被证明为旁系,为了恢复属的单系性,Pterella 属被限制为只包含 Pt. Grisea (Meigen)。Erioprocta Enderlein, stat.rev. 被恢复。Senotainia Macquart 属被重建为旁系。单型属 Metopodia Brauer & Bergenstamm 与 Taxigramma Macquart 同义。
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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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