Resolving the intergeneric phylogeny of the large carrion beetles (Staphylinidae: Silphinae: Silphini)

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
Karolina Mahlerová, Pavel Jakubec, Karol Krak, Jan Růžička
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引用次数: 0

Abstract

The worldwide distributed subfamily of rove beetles Silphinae contains two well‐established tribes, based on both morphological and molecular data. The relationships within the tribe Nicrophorini have been mostly resolved; however, the tribe Silphini still lacks a robust phylogeny. Thus, here we resolved the phylogeny of the tribe based on 42 species of the 114 known species, using five molecular markers. Heterotemna tenuicornis Brullé clustered as sister to Silpha tristis Illiger, making the subgenus Silpha Linnaeus paraphyletic. Consequently, Heterotemna Wollaston is considered a junior subjective synonym of Silpha Linnaeus; requiring the following combinations: Silpha (Silpha) britoi (García & Pérez), comb. nov., Silpha (Silpha) figurata Brullé, comb. rest., and Silpha (Silpha) tenuicornis Brullé, comb. rest. Our estimate of the phylogeny agrees with current generic limits except it revealed that the genus Aclypea Reitter arose from within the genus Silpha, thus making the latter paraphyletic. Some ambiguity remains regarding the confidence of this finding; therefore, we refrain from synonymizing Aclypea until further study. Furthermore, it includes biogeographical information for each genus, which estimates the history of distributions of the Silphini across the Australian, Neotropical, and Oriental regions.
解决大型腐肉甲虫(Staphylinidae: Silphinae: Silphini)的属间系统发育问题
根据形态学和分子数据,分布于世界各地的喙甲亚科 Silphinae 包含两个成熟的部落。Nicrophorini 支系内的关系已基本确定,但 Silphini 支系仍缺乏强有力的系统发育。因此,我们在此基于 114 个已知物种中的 42 个物种,利用 5 个分子标记解析了该族的系统发育。Heterotemna tenuicornis Brullé与Silpha tristis Illiger为姐妹聚类,使Silpha Linnaeus亚属成为旁系。因此,Heterotemna Wollaston 被认为是 Silpha Linnaeus 的初级主观异名;需要以下组合:Silpha (Silpha) britoi (García & Pérez), comb.除了发现 Aclypea Reitter 属是从 Silpha 属中产生的,从而使后者成为副属之外,我们对系统发生的估计与目前的属限一致。对这一发现的可信度仍存在一些模糊之处;因此,在进一步研究之前,我们不对 Aclypea 进行异名化。此外,它还包括每个属的生物地理信息,这些信息估计了 Silphini 在澳大利亚、新热带和东方地区的分布历史。
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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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