REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS

The number and identity of the species of black widow spiders of the genus Latrodectus that inhabit Chile remain unclear. Here we present results of taxonomic work based on morphologic and molecular characters of a large series of specimens collected throughout Chile, which aimed to assess Chilean L...

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Autores principales:	Aguilera,Milenko A, D'Elía,Guillermo, Casanueva,María E
Lenguaje:	English
Publicado:	Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción 2009
Materias:	Chile species limits taxonomy Black widows
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382009000200001
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spelling	oai:scielo:S0717-653820090002000012010-04-20REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTSAguilera,Milenko AD'Elía,GuillermoCasanueva,María E Chile species limits taxonomy Black widows The number and identity of the species of black widow spiders of the genus Latrodectus that inhabit Chile remain unclear. Here we present results of taxonomic work based on morphologic and molecular characters of a large series of specimens collected throughout Chile, which aimed to assess Chilean Latrodectus diversity. Results show that all studied populations belong to a single species, for which the correct name is Latrodectus thoracicus Nicolet 1849. Therefore, we remove this taxon from the synonymy of L. mactans (Fabricius, 1775). In addition, we suggest that L. mirabilis (Holmberg, 1876) may be junior synonym of L. thoracicus. We recognize two species of black widows for continental Chile, L. thoracicus andi. variegatus Nicolet, 1849. We provided an emended diagnosis and comprehensive description of L. thoracicus as well as new locality records and novel data on its natural history. Given our results, we recommend the continued collecting specimens and more collection based taxonomic work as the only way of gathering a correct appreciation of Latrodectus diversity in southern South America.info:eu-repo/semantics/openAccessFacultad de Ciencias Naturales y Oceanográficas, Universidad de ConcepciónGayana (Concepción) v.73 n.2 20092009-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382009000200001en10.4067/S0717-65382009000200001
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Chile species limits taxonomy Black widows
spellingShingle	Chile species limits taxonomy Black widows Aguilera,Milenko A D'Elía,Guillermo Casanueva,María E REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
description	The number and identity of the species of black widow spiders of the genus Latrodectus that inhabit Chile remain unclear. Here we present results of taxonomic work based on morphologic and molecular characters of a large series of specimens collected throughout Chile, which aimed to assess Chilean Latrodectus diversity. Results show that all studied populations belong to a single species, for which the correct name is Latrodectus thoracicus Nicolet 1849. Therefore, we remove this taxon from the synonymy of L. mactans (Fabricius, 1775). In addition, we suggest that L. mirabilis (Holmberg, 1876) may be junior synonym of L. thoracicus. We recognize two species of black widows for continental Chile, L. thoracicus andi. variegatus Nicolet, 1849. We provided an emended diagnosis and comprehensive description of L. thoracicus as well as new locality records and novel data on its natural history. Given our results, we recommend the continued collecting specimens and more collection based taxonomic work as the only way of gathering a correct appreciation of Latrodectus diversity in southern South America.
author	Aguilera,Milenko A D'Elía,Guillermo Casanueva,María E
author_facet	Aguilera,Milenko A D'Elía,Guillermo Casanueva,María E
author_sort	Aguilera,Milenko A
title	REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
title_short	REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
title_full	REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
title_fullStr	REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
title_full_unstemmed	REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS
title_sort	revaluation of latrodectus thoracicus nicolet, 1849 (araneae: theridiidae): biological and phylogenetic antecedents
publisher	Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382009000200001
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REVALUATION OF LATRODECTUS THORACICUS NICOLET, 1849 (ARANEAE: THERIDIIDAE): BIOLOGICAL AND PHYLOGENETIC ANTECEDENTS

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