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棕树 (Arecaceae) 和美丽树 (Coleoptera,Nitidulidae):一个漫长的进化之旅

Meike Liu¹, Jinting Che², Simone Sabatelli^3,4

¹College of Agriculture, Yangtze University, Jingzhou 434025, China.

Plants (Basel, Switzerland)

|August 28, 2025

概括

花粉虫 (Meligethinae) 可能最近在棕树上进化,而不是古代共同进化. 这些甲虫作为宿主棕树的授粉者起着至关重要的作用.

科学领域:

昆虫学
植物学
进化生物学

背景情况:

棕树 (Arecaceae) 是一个多样化的单一植物家族,有2600种,起源于白纪早期.
虫 (Meligethinae) 是一个大型的虫亚科 (约700个物种) 在古北极,非洲热带和东方地区.
大多数Meligethinae物种以双叶植物为食,但有些与单叶植物有关,包括棕树.

研究的目的:

审查梅利基尼科和科之间的昆虫宿主植物关系.
探索梅利盖提纳在手掌上的进化历史和辐射模式.
突出这些甲虫作为棕树授粉者的生态作用.

主要方法:

关于美利基属与属结合的现有文献的审查.
基于分子数据的 Meligethinae 的遗传学分析.
古生物学和古地理证据的整合.

主要成果:

大约有10个属的40个Meligethinae物种与棕树有关.
与手掌相关的美利基有着密切的遗传关系.
证据表明最近的Meligethinae辐射在手掌上 (早期的米奥森-普莱斯托纪).

结论:

在宿主植物多样化后,手掌上发生了美利基尼菌辐射.
最近的进化是由各种棕树种类的反复辐射驱动的.
成年Meligethinae是重要的授粉者,为棕树提供生态系统服务.

关键词:

双种和单种主机转换昆虫与宿主植物的关系昆虫宿主植物的共同进化与顺序进化棕树花粉虫授粉生态

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