Diversity and morphology of Eocene and Oligocene Mordellidae (Coleoptera)

IF 0.9 4区农林科学 Q3 ENTOMOLOGY

Acta Entomologica Musei Nationalis Pragae Pub Date : 2023-12-30 DOI:10.37520/aemnp.2023.027

J. Batelka, K. Rosová, J. Prokop

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Abstract

Characteristics of the locomotor apparatus (excluding wings) and other diagnostic features of Mordellidae preserved in Eocene Baltic and Rovno amber are investigated. Main features of Eocene Mordellidae are compared with those of their extant relatives using mainly light microscopy and micro-CT scans. The entire record of Eocene and Oligocene fossils of this family is reviewed, revealing a great number of discrepancies in diagnoses of species of Eocene and Oligocene Mordellidae at the generic level, which makes a reliable discussion of their biogeography and relationship with extant species impossible. To overcome this situation, four new collective group names (i.e., without a type species designation) are established: Baltimorda nov., Baltistena nov., Rovnostena nov., and Petrimordella nov. Seven new species of Mordellistenini from Baltic amber are described, diagnosed and illustrated: Baltistena ultima sp. nov., B. aurata sp. nov., B. longistrigata sp. nov., B. hoffeinsorum sp. nov., B. concava sp. nov., B. brevispina sp. nov., and B. atronigra sp. nov. The number of Mordellistenini recorded from Baltic amber is doubled from seven to fourteen. The subgenus Palaeostena Kubisz, 2003, with the type species Falsomordellistena eocenica Kubisz, 2003, is elevated to a genus.

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始新世和渐新世脊虫科（鞘翅目）的多样性和形态学

研究了保存在始新世波罗的海和罗夫诺琥珀中的脊索动物科（Mordellidae）运动器材（不包括翅膀）的特征和其他诊断特征。主要使用光学显微镜和显微 CT 扫描技术，将始新世脊索动物科的主要特征与其现生近亲的特征进行比较。对该科始新世和渐新世化石的全部记录进行了回顾，发现在对始新世和渐新世脊索动物科的属种进行诊断时存在大量差异，因此无法对其生物地理学以及与现生物种的关系进行可靠的讨论。为了克服这种情况，我们建立了四个新的类群名称（即没有模式种名称）：Baltimorda nov.、Baltistena nov.、Rovnostena nov.和 Petrimordella nov.。对波罗的海琥珀中的 7 个 Mordellistenini 新种进行了描述、诊断和图解：新种：Baltistena ultima sp.波罗的海琥珀中记录的 Mordellistenini 的数量翻了一番，从 7 个增加到 14 个。Palaeostena Kubisz, 2003 亚属与模式种 Falsomordellistena eocenica Kubisz, 2003 升格为属。

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来源期刊

Acta Entomologica Musei Nationalis Pragae ENTOMOLOGY-

CiteScore

1.60

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： An open access journal publishing papers on insect systematics, morphology of adult and immature stages and/or their biology, phylogeny, large-scale catalogues, and general papers on methodology of insect systematics AEMNP is publishing papers on: Insect systematics, taxonomy and nomenclature; Morphology of adult and immature stages and/or their biology with possible applications in taxonomy and phylogeny; Phylogeny at least partly based on morphological characters (or with morphological characters mapped on the tree); Catalogues applicable for further taxonomy and biodiversity studies; General papers on methodology of insect taxonomy.