解开刺客之网:蜘蛛相关的Emesine复合体的系统发育和分类(半翅目:Reduviidae)

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
S. Standring, D. Forero, C. Weirauch
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引用次数: 0

摘要

结网蜘蛛是可怕的捕食者,然而Emesine复合体(半翅目:Reduviidae:Emesinae、Saicinae和Visayanocorinae)中的刺吸虫也捕食蜘蛛。Emesine Complex包括1000个物种,这些与蜘蛛网相关的捕食策略可能是它们多样化的驱动力。然而,由于缺乏自然历史数据和稳健的系统发育框架,目前还无法对这一假设进行检验。我们结合桑格测序数据(207 个类群,3865 bp)和高通量测序数据(15 个类群,381 个位点),首次为该类群建立了类群和数据丰富的系统发育关系。我们发现亚科和支系之间存在严重的旁系现象,因此有必要对分类进行修订。我们对 40 个形态特征进行了祖先特征状态重建,以确定修订分类的诊断特征。我们的新分类法将 Saicinae Stål 和 Visayanocorinae Miller 视为 Emesinae Amyot 和 Serville 的小同义词,将 emesine tribes Ploiariolini Van Duzee 和 Metapterini Stål 与 Emesini Amyot 和 Serville 同义,并在 Emesinae 中承认了六个部落(Collartidini Wygodzinsky、Emesini、Leistarchini Stål 、Ocerotrachelini trib.n. 和 Saicini Stål stat.n.)、和 Visayanocorini Miller stat.n.)。我们的研究表明,在Emesinae中物种最丰富的支系Emesini的最后一个共同祖先中进化出了一种假定参与网相关行为的跗前结构,这表明网相关行为可能在Emesinae中广泛存在。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Untangling the assassin's web: Phylogeny and classification of the spider-associated Emesine complex (Hemiptera: Reduviidae)

Untangling the assassin's web: Phylogeny and classification of the spider-associated Emesine complex (Hemiptera: Reduviidae)

Untangling the assassin's web: Phylogeny and classification of the spider-associated Emesine complex (Hemiptera: Reduviidae)

Web-building spiders are formidable predators, yet assassin bugs in the Emesine Complex (Hemiptera: Reduviidae: Emesinae, Saicinae, and Visayanocorinae) prey on spiders. The Emesine Complex comprises >1000 species and these web-associated predatory strategies may have driven their diversification. However, lack of natural history data and a robust phylogenetic framework currently preclude tests of this hypothesis. We combine Sanger (207 taxa, 3865 bp) and high-throughput sequencing data (15 taxa, 381 loci) to generate the first taxon- and data-rich phylogeny for this group. We discover rampant paraphyly among subfamilies and tribes, necessitating revisions to the classification. We use ancestral character state reconstructions for 40 morphological characters to identify diagnostic features for a revised classification. Our new classification treats Saicinae Stål and Visayanocorinae Miller as junior synonyms of Emesinae Amyot and Serville, synonymizes the emesine tribes Ploiariolini Van Duzee and Metapterini Stål with Emesini Amyot and Serville, and recognises six tribes within Emesinae (Collartidini Wygodzinsky, Emesini, Leistarchini Stål, Oncerotrachelini trib.n., Saicini Stål stat.n., and Visayanocorini Miller stat.n.). We show that a pretarsal structure putatively involved in web-associated behaviours evolved in the last common ancestor of Emesini, the most species-rich clade within Emesinae, suggesting that web-associations could be widespread in Emesinae.

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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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