New dance flies from Burmese amber providing the new insight to early evolution of feeding habits in Atelestidae (Diptera: Empidoidea)

IF 1.9 3区地球科学 Q1 GEOLOGY Cretaceous Research Pub Date : 2024-10-20 DOI:10.1016/j.cretres.2024.106025

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Abstract

The superfamily Empidoidea is a megadiverse group of Diptera that exhibits abundant morphological specializations for predatory feeding habits, with the mouthparts unequivocally representing the core apparatus and are highly associated with feeding behaviors. Nevertheless, the evolution of feeding habits in Empidoidea was not well documented especially due to the rarity of fossil evidence at the early stage. We describe a new genus with two new species of Atelestidae, namely Promeghyperus muricicaudatus Zhang, Shih, Ren et Wang gen. et sp. nov. and P. hirtus Zhang, Shih, Ren et Wang sp. nov. from the mid-Cretaceous Burmese amber. Details of mouthparts were well-preserved in the specimens of P. muricicaudatus gen. et sp. nov. that allows for a morphological functional analysis. The results reveal that these two mid-Cretaceous atelestid species retain the well-defined epipharyngeal blades and evolve a predaceous feeding habit in contrast to their extant relatives. The evolution of epipharyngeal blades in Empidoidea is summarized under the current phylogenetic framework. This finding not only enhanced the knowledge of species diversity of Empidoidea during the mid-Cretaceous but also provided the key evidence to document the evolution of feeding habits among Empidoidea. Based on the analysis of palaeogeographic occurrences of fossil and extant lineages, the evolutionay history of Atelestidae is outlined.

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缅甸琥珀中发现的新舞蝇，为了解Atelestidae（双翅目：Epidoidea）的早期食性进化提供了新的视角

双翅目栉水母超科（Epidoidea）是一个种类繁多的双翅目昆虫类群，具有丰富的捕食习性形态特化，其中口器明确地代表着核心器官，与捕食行为高度相关。然而，由于早期化石证据的稀缺性，食蚁兽的进化习性并没有得到很好的记录。我们描述了来自白垩纪中期缅甸琥珀中的一个新属和两个新种，即Promeghyperus muricicaudatus Zhang, Shih, Ren et Wang gen.P. muricicaudatus gen. et sp. nov.的口器细节保存完好，可以进行形态功能分析。研究结果表明，这两个白垩纪中期的无尾类物种保留了清晰的会咽叶片，并进化出一种捕食习性，与现生的亲缘物种形成鲜明对比。在目前的系统发育框架下，对尾蜥目会厌咽叶片的演化进行了总结。这一发现不仅增进了对白垩纪中期帝皮目物种多样性的了解，而且为记录帝皮目之间摄食习性的演化提供了关键证据。基于对化石和现生品系的古地理出现的分析，勾勒出黄口蝠科的演化历史。

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来源期刊

Cretaceous Research 地学-地质学

CiteScore

4.10

自引率

19.00%

发文量

235

审稿时长

12 weeks

期刊介绍： Cretaceous Research provides a forum for the rapid publication of research on all aspects of the Cretaceous Period, including its boundaries with the Jurassic and Palaeogene. Authoritative papers reporting detailed investigations of Cretaceous stratigraphy and palaeontology, studies of regional geology, and reviews of recently published books are complemented by short communications of significant new findings. Papers submitted to Cretaceous Research should place the research in a broad context, with emphasis placed towards our better understanding of the Cretaceous, that are therefore of interest to the diverse, international readership of the journal. Full length papers that focus solely on a local theme or area will not be accepted for publication; authors of short communications are encouraged to discuss how their findings are of relevance to the Cretaceous on a broad scale. Research Areas include: • Regional geology • Stratigraphy and palaeontology • Palaeobiology • Palaeobiogeography • Palaeoceanography • Palaeoclimatology • Evolutionary Palaeoecology • Geochronology • Global events.