Cerophytum lii Qiu & Ruan, sp. nov. (Coleoptera: Cerophytidae): First Record of the Family in China with Study on Its Thoracic Functional Morphology Through 3D Reconstruction.

IF 2.9 2区农林科学 Q1 ENTOMOLOGY

Insects Pub Date : 2025-09-07 DOI:10.3390/insects16090941

Lu Qiu, Lei Liu, Yongying Ruan, Yang Liu, Liya Ma, Bo Feng

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Abstract

The beetle family Cerophytidae is reported from China for the first time, based on the discovery of Cerophytum lii Qiu & Ruan, sp. nov. and Cerophytum sp., both from Daweishan Mountain in Southeast Yunnan Province. Detailed descriptions and diagnostic illustrations of Cerophytum liisp. nov. are provided, along with an identification key to extant Cerophytum species worldwide. A representative specimen of the new species (a male paratype) underwent micro-computed tomography scanning, enabling three-dimensional reconstruction and virtual dissection of its thoracic morphology. Internal muscular architecture and exoskeletal structures of its thorax are illustrated and described. Comparative morphological analyses revealed convergent evolution in the clicking structures of Cerophytum liisp. nov. and Campsosternus auratus (Drury), with the latter exhibiting more specialized structural modifications that enhance its jumping performance to a greater degree. In contrast, Cerophytum liisp. nov. exhibits morphological adaptations primarily suited for rapid walking and flight.

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吕秋，阮，sp. 11 .（鞘翅目：蛇虫科）：中国首科记录及其胸部功能形态三维重建研究。

在云南东南部大围山发现的Cerophytum lii Qiu & Ruan， sp. 11和Cerophytum sp.的基础上，首次在中国报告了Cerophytidae科。详细描述和诊断图解。同时提供了一份全球现存Cerophytum物种的鉴定钥匙。对新种的代表性标本（一种雄性准型）进行了显微计算机断层扫描，实现了其胸部形态的三维重建和虚拟解剖。对其胸腔的内部肌肉结构和外骨骼结构进行了说明和描述。比较形态学分析表明，唇形Cerophytum liisp的咔哒结构趋同进化。11 .和Campsosternus auratus (Drury)，后者表现出更专门的结构修饰，在更大程度上提高了其跳跃性能。相反，Cerophytum liisp。11月表现出主要适合快速行走和飞行的形态适应。

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来源期刊

Insects Agricultural and Biological Sciences-Insect Science

CiteScore

5.10

自引率

10.00%

发文量

1013

审稿时长

21.77 days

期刊介绍： Insects (ISSN 2075-4450) is an international, peer-reviewed open access journal of entomology published by MDPI online quarterly. It publishes reviews, research papers and communications related to the biology, physiology and the behavior of insects and arthropods. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.