Phylogenomics resolves major relationships of Catocala underwing moths

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
Nicholas T. Homziak, Caroline G. Storer, Lawrence F. Gall, Robert J. Borth, Akito Y. Kawahara
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Abstract

Underwing moths in the genus Catocala Schrank are among the most charismatic of Lepidoptera. Catocala is also one of the most diverse genera worldwide in the speciose family Erebidae, but a phylogenetic framework for the genus is lacking. Here we reconstruct the first comprehensive molecular phylogeny for the genus based on 685 anchored hybrid enrichment loci sampled from 161 Catocala species (99 Nearctic, 62 Palearctic), four species of Ulotrichopus Wallengren and 33 outgroups. Phylogenetic analysis unambiguously recovers Catocala and Catocala + Ulotrichopus as monophyletic with strong support and resolves many backbone relationships within Catocala. Our results confirm the classification of previously proposed taxonomic subgroups of Catocala, including seven based on recent molecular/morphological evidence, and ten based on early twentieth-century morphological research. Mapping of larval host plant use onto the tree shows Fabaceae to be the likely ancestral host plant family for Catocala and Catocala + Ulotrichopus. There appear to have been at least 18 independent larval host plant shifts to nine plant families, the most common shift being from Fabaceae to Fagaceae. Larval host plant use has likely played an important role in the evolutionary history of Catocala, with several rapid diversification events propelled by shifts to novel larval host plants, particularly in the North American Catocala fauna.

Abstract Image

系统发育基因组学解决Catocala underwing蛾的主要关系
Catocala Schrank属的潜蛾是鳞翅目中最具魅力的蛾类之一。Catocala也是世界上物种科Erebidae中最多样化的属之一,但该属缺乏系统发育框架。在这里,我们基于从161个Catocala物种(99个近北极,62个北北极)、4个Ulotrichopus Wallengren物种和33个外类群中采样的685个锚定杂交富集位点,重建了该属的第一个综合分子系统发育。系统发育分析明确恢复Catocala和Catocala + Ulotrichopus是一个单系,有强大的支持,并解决了Catocala内的许多主干关系。我们的结果证实了先前提出的Catocala分类亚群的分类,其中7个基于最近的分子/形态学证据,10个基于20世纪早期的形态学研究。幼虫寄主植物在树上的用途图显示,蚕豆科可能是Catocala和Catocala的祖先寄主植物家族 + Ulotrichopus。至少有18个独立的幼虫寄主植物转移到9个植物科,最常见的转移是从壳斗科转移到壳斗科。幼虫寄主植物的使用可能在Catocala的进化史上发挥了重要作用,由于转向新的幼虫寄主植物,特别是在北美Catocala动物群中,导致了几次快速多样化事件。
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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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