Further mysteries solved in Mysteriomorphidae (Coleoptera: Elateroidea) from mid-Cretaceous amber of northern Myanmar: Discovery of female specimens, and synonymy of Trapezioceps recently described as Cantharidae

Kundrata, Robin; Packova, Gabriela; Li, Yan-Da; Hsiao, Yun; Jenkins Shaw, Josh; Ferreira, Vinicius S.; Bai, Ming; Cai, Chenyang

doi:10.1016/j.cretres.2023.105756

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…During the recent years, the mid-Cretaceous Burmese ambers for this group have attracted much attention from the taxonomists. Currently, 13 genera and 59 species of cantharid beetles have been reported from that amber deposits (Poinar & Fanti, 2016;Fanti & Ellenberger, 2017Hsiao et al, 2017Hsiao et al, , 2021Hsiao & Huang, 2018;Peris & Fanti, 2018;Ellenberger & Fanti, 2019;Fanti & Damgaard, 2019, 2020Kazantsev & Perkovsky, 2019;Yang et al, 2021Yang et al, , 2022Bramanti & Fanti, 2022;Zhao et al, 2022;Qu et al, 2023, but see Kundrata et al, 2023). Among these taxa, those with antennal appendages accounts for the majority, including Sanaungulus Fanti, Damgaard & Ellenberger, 2018(27 species, Fanti & Damgaard, 2020Yang et al, 2022;Fanti & Müller, 2022), Burmomiles Fanti, Damgaard & Ellenberger, 2018(7 species, Fanti et al, 2018Fanti & Damggard, 2019;Yang et al, 2021;Fanti & Müller, 2022) and Poinarelektronmiles Fanti & Damgaard, 2020 (2 species, Bramanti & Fanti, 2022).…”

Section: Introductionmentioning

confidence: 99%

Taxonomic notes and new species of Burmomiles and Sanaungulus (Coleoptera, Cantharidae) from northern Myanmar during the late Mesozoic

Yang,

Zhao,

Liu

2024

Contrib. Zool.

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In this study, Poinarelektronmiles Fanti & Damgaard, 2020 is considered as a junior synonym of Burmomiles Fanti, Damgaard & Ellenberger, 2018, since no generic diagnostic differences can be found in their type species except for the elytral length, which is a yet unstable and more ecology-related character. The two hitherto known species of Poinarelektronmiles are transferred to Burmomiles or Sanaungulus Fanti, Damgaard & Ellenberger, 2018, including B. ellenbergeri (Fanti & Damgaard, 2020) comb. nov. and S. cuaroni (Bramanti & Fanti, 2022) comb. nov. Meanwhile, B. dominikiweissbachi (Fanti & Müller, 2022) comb. nov., B. kachinensis (Fanti & Müller, 2022) comb. nov. and B. lethi (Fanti & Damgaard, 2020) comb. nov. are transferred from Sanaungulus. Six Sanaungulus species are suggested to be placed in Cantharidae incertae sedis, including S. electrum Fanti & Müller, 2022, S. franziskaeweissbachae Fanti & Müller, 2022, S. nalae Fanti & Müller, 2022, S. morellii Fanti & Damgaard, 2020, S. rosenzweigi Fanti & Damgaard, 2020 and S. ruicheni (Hsiao & Huang, 2018), due to their absence of antennal appendages in males. The gender identity for S. kirstenaeweissbachae Fanti & Müller, 2022 and S. cuaroni originally defined as females are corrected into males, according to their pectinate antennae. Additionally, four new species, S. marginalis sp. nov., S. longicornis sp. nov., S. elongaticollis sp. nov., and S. undecimus sp. nov., are described and illustrated. These results will significantly complement and expand our knowledge on the Burmite cantharid diversity.

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Section: Introductionmentioning

confidence: 99%

Taxonomic notes and new species of Burmomiles and Sanaungulus (Coleoptera, Cantharidae) from northern Myanmar during the late Mesozoic

Yang,

Zhao,

Liu

2024

Contrib. Zool.

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Early evolution of Anamorphidae (Coleoptera: Coccinelloidea): the oldest known anamorphid beetles from Upper Cretaceous amber of northern Myanmar and the first report of potential glandular pores in the family

Arriaga‐Varela,

Szawaryn,

Zhou

et al. 2024

Cladistics

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In order to place newly discovered fossil taxa (Palaeosymbius gen. nov. with P. groehni and P. mesozoicus spp. nov.) from the mid‐Cretaceous amber from northern Myanmar, we investigated the relations of extant and extinct lineages of the coccinellid group of Coccinelloidea with emphasis on the family Anamorphidae. We assembled a taxonomic sampling of 34 taxa, including 15 genera and 19 species of Anamorphidae, the most comprehensive sampling of Anamorphidae at the generic level in a phylogenetic analysis. A morphological dataset of 47 characters was built as well as a molecular alignment of 7140 bp including fragments of eight genes (12S, 16S, 18S, 28S, COI, COII, H3 and CAD). Five anamorphid and one endomychid species were sequenced for the first time and added to the dataset. We performed parsimony‐based analysis of the morphological dataset and Bayesian inference analysis of the combined matrix (morphological plus molecular data). Our results confirm that Palaeosymbius belongs to Anamorphidae and represents the oldest known member of this family so far. Among Anamorphidae, Symbiotes (with extant and known Eocene species) was recovered as the most probable closest relative of Palaeosymbius. Our morphological studies additionally revealed the presence of probable glandular openings in the anterolateral corners of the pronotal margins in Asymbius sp. and Anamorphus sp., representing the first report of secretory openings in the family Anamorphidae. Similar openings are found in other cucujiform beetles such as Cryptophagidae and Boganiidae with possible defensive purposes.

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Further mysteries solved in Mysteriomorphidae (Coleoptera: Elateroidea) from mid-Cretaceous amber of northern Myanmar: Discovery of female specimens, and synonymy of Trapezioceps recently described as Cantharidae

Cited by 2 publications

References 10 publications

Taxonomic notes and new species of Burmomiles and Sanaungulus (Coleoptera, Cantharidae) from northern Myanmar during the late Mesozoic

Taxonomic notes and new species of Burmomiles and Sanaungulus (Coleoptera, Cantharidae) from northern Myanmar during the late Mesozoic

Early evolution of Anamorphidae (Coleoptera: Coccinelloidea): the oldest known anamorphid beetles from Upper Cretaceous amber of northern Myanmar and the first report of potential glandular pores in the family

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