Anomocephalobus, a new genus of minute marsh-loving beetles from mid-Cretaceous Burmese amber (Coleoptera: Limnichidae)

Li, Yan‐Da; Yu, Yali; Jäch, Manfred A.; Huang, Diying; Cai, Chenyang

doi:10.1590/s1984-4689.v39.e21030

Zoologia (Curitiba)

2022

DOI: 10.1590/s1984-4689.v39.e21030

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Anomocephalobus, a new genus of minute marsh-loving beetles from mid-Cretaceous Burmese amber (Coleoptera: Limnichidae)

Yan‐Da Li

Yali Yu

Manfred A. Jäch

et al.

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2024

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Cited by 2 publications

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The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic

Beutel,

Xu,

Jarzembowski

et al. 2024

Systematic Entomology

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Recent progress in beetle palaeontology has incited us to re‐address the evolutionary history of the group. The Permian †Tshekardocoleidae had elytra that covered the posterior body in a loose tent‐like manner. The formation of elytral epipleura and a tight fit of elytra and abdomen were important evolutionary transformations in the Middle Permian, resulting in a tightly enclosed subelytral space. Permian families were likely associated with dead wood of gymnospermous trees. The end‐Permian extinction event resulted in a turnover in the composition of beetle faunas, especially a decline of large‐bodied wood‐associated forms. Adephaga and Myxophaga underwent a first wave of diversification in the Triassic. Polyphaga are very rare in this period. The first wave of diversification of this suborder occurs in the Jurassic, with fossils of Elateriformia, Staphyliniformia and Cucujiformia. The Cretaceous fossil record has been tremendously enriched by the discovery of amber inclusions. Numerous fossils represent all major polyphagan lineages and also the remaining suborders. Improved analytical methods for documenting and placing extinct taxa are discussed. Different factors have played a role in the diversification of beetles. The enormous number of species associated with flowering plants, and timing and patterns of diversification in phytophagous lineages indicate that the angiosperm radiation played a major role in beetle macroevolution. Moreover, the evolution of intimate partnerships with symbionts and the acquisition of novel genes—obtained from fungi and bacteria via horizontal gene transfers—facilitated the use of plant material as a food source and were key innovations in the diversification of plant‐feeding beetles.

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The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic

Beutel,

Xu,

Jarzembowski

et al. 2024

Systematic Entomology

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New Genus and Species of Limnichines from the Cretaceous Amber of Myanmar and Taxonomic Notes on the Family Limnichidae (Coleoptera, Polyphaga)

Kirejtshuk

Прокин²

2022

Insects

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Burmochares groehnigen. et sp. nov., the oldest known representative of the subfamily Limnichinae and tribe Limnichini, is described from the Cretaceous amber of northern Myanmar. The new genus Hernandocharesgen. nov. is proposed for Platypelochares electricus Hernando, Szawaryn et Ribera, 2018 (type species of this new genus) from the Eocene Baltic amber. The structurally similar genera Platypelochares,Burmocharesgen.nov., Hernandocharesgen. nov., some other limnichines (Polyphaga) and some torridincollids (Myxophaga) are thought to be connected by their preference for similar habitats and lifestyle.

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Anomocephalobus, a new genus of minute marsh-loving beetles from mid-Cretaceous Burmese amber (Coleoptera: Limnichidae)

Cited by 2 publications

References 22 publications

The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic

The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic

New Genus and Species of Limnichines from the Cretaceous Amber of Myanmar and Taxonomic Notes on the Family Limnichidae (Coleoptera, Polyphaga)

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