A phylogenomic perspective on the relationships of subfamilies in the family Geometridae (Lepidoptera)

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
Leidys Murillo-Ramos, Victoria Twort, Niklas Wahlberg, Pasi Sihvonen
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引用次数: 1

Abstract

Geometrid moths, the second largest radiation of Lepidoptera, have been the target of extensive phylogenetic studies. Those studies have flagged several problems in tree topology that have remained unanswered. We address three of those: (i) deep nodes of Geometridae (subfamilies Sterrhinae + Larentiinae, or Sterrhinae alone as sister to all other subfamilies), (ii) the taxonomic status of subfamily Orthostixinae and (iii) the systematic position of the genus Eumelea (classified in Desmobathrinae: Eumeleini or incertae sedis earlier). We address these questions by using a phylogenomic approach, a novel method on these moths, with up to 1000 protein-coding genes extracted from whole-genome shotgun sequencing data. Our datasets include representatives from all geometrid subfamilies and we analyse the data by using three different tree search strategies: partitioned models, GHOST model and multispecies coalescent analysis. Despite the extensive data, we found incongruences in tree topologies. Eumelea did not associate with Desmobathrinae as suggested earlier, but instead, it was recovered in three different phylogenetic positions, either as sister to Oenochrominae, Geometrinae or as sister to Oenochrominae + Geometrinae. Orthostixinae, represented by its type species, falls within Desmobathrinae. We propose the following taxonomic changes: we raise Eumeleini to subfamily rank as Eumeleinae stat. nov. and we treat Orthostixinae as a junior synonym of Desmobathrinae syn. nov.

Abstract Image

鳞翅目尺蠖科亚科关系的系统发育研究
尺蛾是鳞翅目的第二大辐射,一直是广泛的系统发育研究的目标。这些研究指出了树形拓扑学中几个尚未得到解答的问题。我们研究了其中的三个:(i)尺蠖科的深节点(Sterrhinae + Larentiinae亚科,或Sterrhinae单独作为所有其他亚科的姊妹科),(ii)正蝽亚科的分类地位和(iii)真螨属的系统位置(较早归类于Desmobathrinae: Eumeleini或inintertae sedis)。我们通过使用系统基因组方法来解决这些问题,这是一种针对这些飞蛾的新方法,从全基因组霰弹枪测序数据中提取了多达1000个蛋白质编码基因。我们的数据集包括所有几何亚科的代表,我们使用三种不同的树搜索策略来分析数据:分区模型、GHOST模型和多物种聚结分析。尽管有广泛的数据,我们发现树拓扑结构不一致。Eumelea与Desmobathrinae没有亲缘关系,而是在三个不同的系统发育位置上被发现,要么是Oenochrominae, Geometrinae的姐妹,要么是Oenochrominae + Geometrinae的姐妹。以模式种为代表的正刺蝇亚属刺蝇科。我们提出了以下的分类学变化:将真螨亚科提升为真螨亚科(euumeleinae stat. nov),将正刺螨亚科(Orthostixinae)作为Desmobathrinae syn11 . nov的低级同义。
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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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