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Genome sequencing reveals extraordinary cephalic horns in the Madagascan dung beetle genus Helictopleurus (Coleoptera, Scarabaeinae): insight from a revision of fungicola species group

Abstract : In this study, we test and corroborate the phylogenetic position of Heterosyphus within Helictopleurus using mitogenomes and nuclear loci. Our recent samplings revealed that males of the former Heterosyphus sicardi Paulian, 1975 (today under Helictopleurus d’Orbigny, 1915) have extraordinary bilateral clypeal horns which are exclusive within the genus. We provide a taxonomic review of the fungicola species group of Helictopleurus and discuss the systematic position of H. sicardi within the group. The male phenotype of H. sicardi is described and photographs of the body and genitalia of the members of the fungicola group are given, as well as a diagnostic key to species of the group. Helictopleurus fungicola peyrierasi is considered to be a distinct species within the genus ( H. peyrierasi stat. rest. ). Helictopleurus pluristriatus d’Orbigny, 1915 syn. nov. is established as a junior synonym of H. fungicola (Fairmaire, 1899).
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https://hal-mnhn.archives-ouvertes.fr/mnhn-03562563
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Submitted on : Wednesday, February 9, 2022 - 9:44:05 AM
Last modification on : Friday, April 1, 2022 - 3:48:56 AM

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Michele Rossini, Olivier Montreuil, Vasily Grebennikov, Sergei Tarasov. Genome sequencing reveals extraordinary cephalic horns in the Madagascan dung beetle genus Helictopleurus (Coleoptera, Scarabaeinae): insight from a revision of fungicola species group. Zookeys, Pensoft, 2021, 1033, pp.63-79. ⟨10.3897/zookeys.1033.63527⟩. ⟨mnhn-03562563⟩

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