Systematics and evolution of predatory flower flies (Diptera: Syrphidae) based on exon-capture sequencing

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY Systematic Entomology Pub Date : 2022-10-17 DOI:10.1111/syen.12573
Ximo Mengual, Christoph Mayer, Trevor O. Burt, Kevin M. Moran, Lars Dietz, Gaby Nottebrock, Thomas Pauli, Andrew D. Young, Marie V. Brasseur, Sandra Kukowka, Scott Kelso, Claudia Etzbauer, Sander Bot, Martin Hauser, Kurt Jordaens, Gil F. G. Miranda, Gunilla Ståhls, Wouter van Steenis, Ralph S. Peters, Jeffrey H. Skevington
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引用次数: 3

Abstract

Flower flies (Diptera: Syrphidae) are one of the most species-rich dipteran families and provide important ecosystem services such as pollination, biological control of pests, recycling of organic matter and redistributions of essential nutrients. Flower fly adults generally feed on pollen and nectar, but their larval feeding habits are strikingly diverse. In the present study, high-throughput sequencing was used to capture and enrich phylogenetically and evolutionary informative exonic regions. With the help of the baitfisher software, we developed a new bait kit (SYRPHIDAE1.0) to target 1945 CDS regions belonging to 1312 orthologous genes. This new bait kit was successfully used to exon capture the targeted loci in 121 flower fly species across the different subfamilies of Syrphidae. We analysed different amino acid and nucleotide data sets (1302 loci and 154 loci) with maximum likelihood and multispecies coalescent models. Our analyses yielded highly supported similar topologies, although the degree of the SRH (global stationarity, reversibility and homogeneity) conditions varied greatly between amino acid and nucleotide data sets. The sisterhood of subfamilies Pipizinae and Syrphinae is supported in all our analyses, confirming a common origin of taxa feeding on soft-bodied arthropods. Based on our results, we define Syrphini stat.rev. to include the genera Toxomerus and Paragus. Our divergence estimate analyses with beast inferred the origin of the Syrphidae in the Lower Cretaceous (125.5–98.5 Ma) and the diversification of predatory flower flies around the K–Pg boundary (70.61–54.4 Ma), coinciding with the rise and diversification of their prey.

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基于外显子捕获测序的掠食性花蝇(双翅目:蚜蝇科)的系统学和进化
花蝇(Diptera:Syrphidae)是种类最丰富的双翅目昆虫科之一,提供重要的生态系统服务,如授粉、害虫的生物控制、有机物的回收和基本营养物质的重新分配。花蝇成虫通常以花粉和花蜜为食,但它们的幼虫食性却截然不同。在本研究中,高通量测序用于捕获和丰富系统发育和进化信息外显子区域。在baitfisher软件的帮助下,我们开发了一种新的诱饵试剂盒(SYRPHIDAE1.0),靶向属于1312个同源基因的1945个CDS区域。这种新的诱饵试剂盒成功地用于外显子捕获雪蝇科不同亚科121种花蝇的靶基因座。我们用最大似然和多谱合并模型分析了不同的氨基酸和核苷酸数据集(1302个基因座和154个基因座)。我们的分析产生了高度支持的相似拓扑结构,尽管SRH(全局平稳性、可逆性和同质性)条件的程度在氨基酸和核苷酸数据集之间变化很大。我们所有的分析都支持琵琶亚科和水燕亚科的姐妹关系,证实了以软体节肢动物为食的分类群的共同起源。根据我们的研究结果,我们将Syrphini stat.rev定义为包括Toxomerus属和Paragus属。我们对野兽的差异估计分析推断了Syrphidae的起源于下白垩纪(125.5–98.5 Ma),以及K–Pg边界(70.61–54.4 Ma)附近捕食性花蝇的多样化,这与它们的猎物的增加和多样化相吻合。
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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.
期刊最新文献
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