A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)

[EN] The diving beetle genus Rhithrodytes Bameul, 1989 is endemic to areas surrounding the Western Mediterranean Basin, and currently includes six lotic species; three each in Europe and North Africa. Here we describe a striking new species, Rhithrodytes pantaleonii sp. nov., discovered during recen...

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Detalles Bibliográficos
Autores: Toledo, Mario, Bilton, David T., Balke, Michael 1967-, Schizzerotto, Antonio, Villastrigo Carbajo, Adrián
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Universidad de León
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/25131
Acceso en línea:https://www.aemnp.eu/acta-entomologica/63-1/1940/a-new-putatively-semisubterranean-rhithrodytes-diving-beetle-from-southwestern-sardinia-coleoptera-dytiscidae.html
https://hdl.handle.net/10612/25131
Access Level:acceso abierto
Palabra clave:Biología
Zoología
Coleoptera
Dytiscidae
Hydroporini
Diving beetle
New species
Semisubterranean
Endemic phylogeny
Historical biogeography
Mitogenome
Europe
Palaearctic Region
2413.06 Taxonomía de Los Insectos
2505.01 Biogeografía
2409.03 Genética de Poblaciones
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oai_identifier_str oai:buleria.unileon.es:10612/25131
network_acronym_str ES
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repository_id_str
spelling A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)Toledo, MarioBilton, David T.Balke, Michael 1967-Schizzerotto, AntonioVillastrigo Carbajo, AdriánBiologíaZoologíaColeopteraDytiscidaeHydroporiniDiving beetleNew speciesSemisubterraneanEndemic phylogenyHistorical biogeographyMitogenomeEuropePalaearctic Region2413.06 Taxonomía de Los Insectos2505.01 Biogeografía2409.03 Genética de Poblaciones[EN] The diving beetle genus Rhithrodytes Bameul, 1989 is endemic to areas surrounding the Western Mediterranean Basin, and currently includes six lotic species; three each in Europe and North Africa. Here we describe a striking new species, Rhithrodytes pantaleonii sp. nov., discovered during recent fieldwork in southwestern Sardinia. The new species differs markedly from the only previously known Rhithrodytes from the Tyrrhenian Islands, R. sexguttatus (Aubé, 1838). The pale, flattened appearance of R. pantaleonii sp. nov., together with its small eyes and scarcity during collecting, all point to it being semisubterranean. A combination of mitochondrial and nuclear DNA sequences, obtained non-destructively from the holotype, allow us to reconstruct the evolutionary history and historical biogeography of this taxon and take the opportunity to publish the mitogenome of the new species. Rhithrodytes pantaleonii sp. nov. is shown to be sister to R. sexguttatus, these taxa apparently having diverged during the Miocene, when the Sulcis-Iglesiente region of southwestern Sardinia was separated from the rest of Corsico-Sardinia by the Sardinian Seaway. Our discovery adds to our understanding of the biogeography of the Tyrrhenian Islands, and further highlights the importance of the Sulcis-Iglesiente region as an area of endemism in its own rightSIWe are grateful to Prof. Roberto Pantaleoni (University of Sassari) for his assistance in facilitating sampling in Sardinia in 2022. DTB’s fi eldwork was partly supported by funding from the Mohamed bin Zayed Species Conservation Fund. AV is funded by the Alexander von Humboldt Foundation through a Humboldt Research Fellowship and by the Carl Friedrich von Siemens FoundationNárodní muzeum (Museo Nacional de Praga)ZoologiaFacultad de Ciencias Biologicas y Ambientales2023info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttps://www.aemnp.eu/acta-entomologica/63-1/1940/a-new-putatively-semisubterranean-rhithrodytes-diving-beetle-from-southwestern-sardinia-coleoptera-dytiscidae.htmlhttps://hdl.handle.net/10612/25131reponame:BULERIA. Repositorio Institucional de la Universidad de Leóninstname:Universidad de LeónIngléshttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:buleria.unileon.es:10612/251312026-06-24T12:43:27Z
dc.title.none.fl_str_mv A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
title A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
spellingShingle A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
Toledo, Mario
Biología
Zoología
Coleoptera
Dytiscidae
Hydroporini
Diving beetle
New species
Semisubterranean
Endemic phylogeny
Historical biogeography
Mitogenome
Europe
Palaearctic Region
2413.06 Taxonomía de Los Insectos
2505.01 Biogeografía
2409.03 Genética de Poblaciones
title_short A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
title_full A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
title_fullStr A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
title_full_unstemmed A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
title_sort A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
dc.creator.none.fl_str_mv Toledo, Mario
Bilton, David T.
Balke, Michael 1967-
Schizzerotto, Antonio
Villastrigo Carbajo, Adrián
author Toledo, Mario
author_facet Toledo, Mario
Bilton, David T.
Balke, Michael 1967-
Schizzerotto, Antonio
Villastrigo Carbajo, Adrián
author_role author
author2 Bilton, David T.
Balke, Michael 1967-
Schizzerotto, Antonio
Villastrigo Carbajo, Adrián
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Zoologia
Facultad de Ciencias Biologicas y Ambientales
dc.subject.none.fl_str_mv Biología
Zoología
Coleoptera
Dytiscidae
Hydroporini
Diving beetle
New species
Semisubterranean
Endemic phylogeny
Historical biogeography
Mitogenome
Europe
Palaearctic Region
2413.06 Taxonomía de Los Insectos
2505.01 Biogeografía
2409.03 Genética de Poblaciones
topic Biología
Zoología
Coleoptera
Dytiscidae
Hydroporini
Diving beetle
New species
Semisubterranean
Endemic phylogeny
Historical biogeography
Mitogenome
Europe
Palaearctic Region
2413.06 Taxonomía de Los Insectos
2505.01 Biogeografía
2409.03 Genética de Poblaciones
description [EN] The diving beetle genus Rhithrodytes Bameul, 1989 is endemic to areas surrounding the Western Mediterranean Basin, and currently includes six lotic species; three each in Europe and North Africa. Here we describe a striking new species, Rhithrodytes pantaleonii sp. nov., discovered during recent fieldwork in southwestern Sardinia. The new species differs markedly from the only previously known Rhithrodytes from the Tyrrhenian Islands, R. sexguttatus (Aubé, 1838). The pale, flattened appearance of R. pantaleonii sp. nov., together with its small eyes and scarcity during collecting, all point to it being semisubterranean. A combination of mitochondrial and nuclear DNA sequences, obtained non-destructively from the holotype, allow us to reconstruct the evolutionary history and historical biogeography of this taxon and take the opportunity to publish the mitogenome of the new species. Rhithrodytes pantaleonii sp. nov. is shown to be sister to R. sexguttatus, these taxa apparently having diverged during the Miocene, when the Sulcis-Iglesiente region of southwestern Sardinia was separated from the rest of Corsico-Sardinia by the Sardinian Seaway. Our discovery adds to our understanding of the biogeography of the Tyrrhenian Islands, and further highlights the importance of the Sulcis-Iglesiente region as an area of endemism in its own right
publishDate 2023
dc.date.none.fl_str_mv 2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.aemnp.eu/acta-entomologica/63-1/1940/a-new-putatively-semisubterranean-rhithrodytes-diving-beetle-from-southwestern-sardinia-coleoptera-dytiscidae.html
https://hdl.handle.net/10612/25131
url https://www.aemnp.eu/acta-entomologica/63-1/1940/a-new-putatively-semisubterranean-rhithrodytes-diving-beetle-from-southwestern-sardinia-coleoptera-dytiscidae.html
https://hdl.handle.net/10612/25131
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Národní muzeum (Museo Nacional de Praga)
publisher.none.fl_str_mv Národní muzeum (Museo Nacional de Praga)
dc.source.none.fl_str_mv reponame:BULERIA. Repositorio Institucional de la Universidad de León
instname:Universidad de León
instname_str Universidad de León
reponame_str BULERIA. Repositorio Institucional de la Universidad de León
collection BULERIA. Repositorio Institucional de la Universidad de León
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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