Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)

Eberhard Chabtree, William G.; Barrantes Montero, Gilbert; Madrigal Brenes, Ruth

Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)

Young juveniles of L. geometricus fit the strong trend for “ontogeny to repeat phylogeny” previously documented in other web-building spiders; younger spiders were less likely to build the derived silk retreats that occur at the edges of webs of adults. Younger individuals also consistently builtç m...

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Detalles Bibliográficos
Autores:	Eberhard Chabtree, William G., Barrantes Montero, Gilbert, Madrigal Brenes, Ruth
Tipo de recurso:	artículo
Fecha de publicación:	2008
País:	Costa Rica
Institución:	Universidad de Costa Rica
Repositorio:	Kérwá
OAI Identifier:	oai:kerwa.ucr.ac.cr:10669/79079
Acceso en línea:	https://hdl.handle.net/10669/79079
Access Level:	acceso abierto
Palabra clave:	spider webs orb webs behavioral ontogeny biogenetic law Wendilgarda Comaroma

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dc.title.en.fl_str_mv	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
title	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
spellingShingle	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae) Eberhard Chabtree, William G. spider webs orb webs behavioral ontogeny biogenetic law Wendilgarda Comaroma
title_short	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
title_full	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
title_fullStr	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
title_full_unstemmed	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
title_sort	Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
dc.creator.none.fl_str_mv	Eberhard Chabtree, William G. Barrantes Montero, Gilbert Madrigal Brenes, Ruth
author	Eberhard Chabtree, William G.
author_facet	Eberhard Chabtree, William G. Barrantes Montero, Gilbert Madrigal Brenes, Ruth
author_role	author
author2	Barrantes Montero, Gilbert Madrigal Brenes, Ruth
author2_role	author author
dc.subject.en.fl_str_mv	spider webs orb webs behavioral ontogeny biogenetic law Wendilgarda Comaroma
topic	spider webs orb webs behavioral ontogeny biogenetic law Wendilgarda Comaroma
description	Young juveniles of L. geometricus fit the strong trend for “ontogeny to repeat phylogeny” previously documented in other web-building spiders; younger spiders were less likely to build the derived silk retreats that occur at the edges of webs of adults. Younger individuals also consistently builtç more highly organized webs, with radial lines that converge on a central, horizontal disc and that support regularly spaced, sticky “gumfoot” lines. Some details of how radial and gumfoot lines were built suggest that the radial and gumfoot lines and the behavior involved in their construction may be homologous with traits associated with radii and sticky spirals in aranoid orb webs. The numerous convergences between the webs and building behavior of young L. geometricus and the highly modified webs and building behavior of genera of the orb weaving families Theridiosomatidae (Wendilgarda) and Anapidae (Comaroma), which have independently replaced orbs with webs designed to capture prey on surfaces near the web, suggest a new hypothesis for how gumfoot theridiid webs may have evolved from orbs.
publishDate	2008
dc.date.issued.none.fl_str_mv	2008
dc.date.accessioned.none.fl_str_mv	2019-09-10T21:54:47Z
dc.date.available.none.fl_str_mv	2019-09-10T21:54:47Z
dc.type.none.fl_str_mv	artículo original http://purl.org/coar/resource_type/c_2df8fbb1 info:eu-repo/semantics/article
format	article
dc.identifier.issn.none.fl_str_mv	1828-7131
dc.identifier.uri.none.fl_str_mv	https://hdl.handle.net/10669/79079
identifier_str_mv	1828-7131
url	https://hdl.handle.net/10669/79079
dc.language.iso.none.fl_str_mv	en
language_invalid_str_mv	en
dc.rights.none.fl_str_mv	acceso abierto http://purl.org/coar/access_right/c_abf2 info:eu-repo/semantics/openAccess
rights_invalid_str_mv	acceso abierto http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv	openAccess
dc.source.none.fl_str_mv	Ethology Ecology & Evolution 20:211-244 reponame:Kérwá instname:Universidad de Costa Rica instacron:UCR
instname_str	Universidad de Costa Rica
instacron_str	UCR
institution	UCR
reponame_str	Kérwá
collection	Kérwá
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Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)

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