Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus

Autores
Michat, Mariano Cruz; Alarie, Yves; Watts, Chris H. S.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The phylogenetic relationships of the Australasian diving beetle genus Sternhydrus Brinck, 1945 were studied based on a cladistic analysis of 16 taxa and 112 morphological larval characters. Larvae of S. atratus (F., 1801) were described and illustrated in detail with particular emphasis on morphometry and chaetotaxy. Primary chaetotaxy were unknown for the genus. The results supported the inclusion of Sternhydrus in a clade of Australian Cybistrini genera along with Onychohydrus Schaum and White, 1847 and Spencerhydrus Sharp, 1882 based on four synapomorphies: presence of additional pores on antennomere 1, tibial seta TI7 short and spine-like, and urogomphi longer than broad, included in the nonsclerotized ventrodistal area surrounding the anus. A sister group relationship of Sternhydrus and Onychohydrus is suggested by two synapomorphies: lateral projections of frontoclypeus serrate, and row of additional anteroventral setae on meso- and metatarsus composed of several thin setae of variable length. The genus Sternhydrus is characterized by two autapomorphies: presence of both spine-like and hair-like additional setae on the ventral surface of the femur, and absence of primary pores on the urogomphus.
Fil: Michat, Mariano Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina
Fil: Alarie, Yves. Laurentian University. Department Of Biology; Canadá
Fil: Watts, Chris H. S.. South Australian Museum; Australia
Materia
Diving Beetle
Sternhydrus
Phylogeny
Chaetotaxy
Larva
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/19520

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spelling Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratusMichat, Mariano CruzAlarie, YvesWatts, Chris H. S.Diving BeetleSternhydrusPhylogenyChaetotaxyLarvahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The phylogenetic relationships of the Australasian diving beetle genus Sternhydrus Brinck, 1945 were studied based on a cladistic analysis of 16 taxa and 112 morphological larval characters. Larvae of S. atratus (F., 1801) were described and illustrated in detail with particular emphasis on morphometry and chaetotaxy. Primary chaetotaxy were unknown for the genus. The results supported the inclusion of Sternhydrus in a clade of Australian Cybistrini genera along with Onychohydrus Schaum and White, 1847 and Spencerhydrus Sharp, 1882 based on four synapomorphies: presence of additional pores on antennomere 1, tibial seta TI7 short and spine-like, and urogomphi longer than broad, included in the nonsclerotized ventrodistal area surrounding the anus. A sister group relationship of Sternhydrus and Onychohydrus is suggested by two synapomorphies: lateral projections of frontoclypeus serrate, and row of additional anteroventral setae on meso- and metatarsus composed of several thin setae of variable length. The genus Sternhydrus is characterized by two autapomorphies: presence of both spine-like and hair-like additional setae on the ventral surface of the femur, and absence of primary pores on the urogomphus.Fil: Michat, Mariano Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; ArgentinaFil: Alarie, Yves. Laurentian University. Department Of Biology; CanadáFil: Watts, Chris H. S.. South Australian Museum; AustraliaEntomological Society of America2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/19520Michat, Mariano Cruz; Alarie, Yves; Watts, Chris H. S.; Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus; Entomological Society of America; Annals Of The Entomologycal Society Of America; 108; 5; 9-2015; 881-8920013-8746CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1093/aesa/sav067info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aesa/article-abstract/108/5/881/74433/Phylogenetic-Placement-of-the-Genus-Sternhydrusinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:07:43Zoai:ri.conicet.gov.ar:11336/19520instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:07:43.627CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
title Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
spellingShingle Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
Michat, Mariano Cruz
Diving Beetle
Sternhydrus
Phylogeny
Chaetotaxy
Larva
title_short Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
title_full Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
title_fullStr Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
title_full_unstemmed Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
title_sort Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus
dc.creator.none.fl_str_mv Michat, Mariano Cruz
Alarie, Yves
Watts, Chris H. S.
author Michat, Mariano Cruz
author_facet Michat, Mariano Cruz
Alarie, Yves
Watts, Chris H. S.
author_role author
author2 Alarie, Yves
Watts, Chris H. S.
author2_role author
author
dc.subject.none.fl_str_mv Diving Beetle
Sternhydrus
Phylogeny
Chaetotaxy
Larva
topic Diving Beetle
Sternhydrus
Phylogeny
Chaetotaxy
Larva
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The phylogenetic relationships of the Australasian diving beetle genus Sternhydrus Brinck, 1945 were studied based on a cladistic analysis of 16 taxa and 112 morphological larval characters. Larvae of S. atratus (F., 1801) were described and illustrated in detail with particular emphasis on morphometry and chaetotaxy. Primary chaetotaxy were unknown for the genus. The results supported the inclusion of Sternhydrus in a clade of Australian Cybistrini genera along with Onychohydrus Schaum and White, 1847 and Spencerhydrus Sharp, 1882 based on four synapomorphies: presence of additional pores on antennomere 1, tibial seta TI7 short and spine-like, and urogomphi longer than broad, included in the nonsclerotized ventrodistal area surrounding the anus. A sister group relationship of Sternhydrus and Onychohydrus is suggested by two synapomorphies: lateral projections of frontoclypeus serrate, and row of additional anteroventral setae on meso- and metatarsus composed of several thin setae of variable length. The genus Sternhydrus is characterized by two autapomorphies: presence of both spine-like and hair-like additional setae on the ventral surface of the femur, and absence of primary pores on the urogomphus.
Fil: Michat, Mariano Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina
Fil: Alarie, Yves. Laurentian University. Department Of Biology; Canadá
Fil: Watts, Chris H. S.. South Australian Museum; Australia
description The phylogenetic relationships of the Australasian diving beetle genus Sternhydrus Brinck, 1945 were studied based on a cladistic analysis of 16 taxa and 112 morphological larval characters. Larvae of S. atratus (F., 1801) were described and illustrated in detail with particular emphasis on morphometry and chaetotaxy. Primary chaetotaxy were unknown for the genus. The results supported the inclusion of Sternhydrus in a clade of Australian Cybistrini genera along with Onychohydrus Schaum and White, 1847 and Spencerhydrus Sharp, 1882 based on four synapomorphies: presence of additional pores on antennomere 1, tibial seta TI7 short and spine-like, and urogomphi longer than broad, included in the nonsclerotized ventrodistal area surrounding the anus. A sister group relationship of Sternhydrus and Onychohydrus is suggested by two synapomorphies: lateral projections of frontoclypeus serrate, and row of additional anteroventral setae on meso- and metatarsus composed of several thin setae of variable length. The genus Sternhydrus is characterized by two autapomorphies: presence of both spine-like and hair-like additional setae on the ventral surface of the femur, and absence of primary pores on the urogomphus.
publishDate 2015
dc.date.none.fl_str_mv 2015-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/19520
Michat, Mariano Cruz; Alarie, Yves; Watts, Chris H. S.; Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus; Entomological Society of America; Annals Of The Entomologycal Society Of America; 108; 5; 9-2015; 881-892
0013-8746
CONICET Digital
CONICET
url http://hdl.handle.net/11336/19520
identifier_str_mv Michat, Mariano Cruz; Alarie, Yves; Watts, Chris H. S.; Phylogenetic Placement of the Genus Sternhydrus (Coleoptera: Dytiscidae: Cybistrini) Based on Larval Morphology, With Description of S. atratus; Entomological Society of America; Annals Of The Entomologycal Society Of America; 108; 5; 9-2015; 881-892
0013-8746
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1093/aesa/sav067
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aesa/article-abstract/108/5/881/74433/Phylogenetic-Placement-of-the-Genus-Sternhydrus
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Entomological Society of America
publisher.none.fl_str_mv Entomological Society of America
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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