Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo)
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.13102/sociobiology.v62i2.321-327 http://hdl.handle.net/11449/220410 |
Resumo: | Myrmelachista is an exclusively Neotropical ant genus. The ants from this genus nest and forage in live or dead trees, but data on its life cycle are relatively scarce. The taxonomy of this genus is considerably complex. The morphological characters of taxonomic importance are not well defined, and combining characteristics from the largest possible number of castes is thus essential. The goal of the present study was to present the results of multidimensional morphological analyses conducted based on morphometric measurements of workers and alates to help with the identification of Myrmelachista species. For that purpose, we gathered data from 277 specimens (workers, males and gynes) from eight species cohabiting Atlantic Forest areas. Eighteen morphometric variables were measured on workers and 20 on reproductive ants. Measurements related to eye size and mandible width were the variables more strongly associated with the two morphological clusters obtained based on the morphology of workers. However, the morphospace described by workers cannot be used to delimit the species of Myrmelachista. Mandible width, petiole height and eye size (eye length and ocelli width) were the most informative variables associated with the four clusters of morphology that clearly delimit males of M. arthuri, M. ruszkii sp.7, and in part, M. catharinae. Finally, petiole length and head length were the best descriptors of the six morphological clusters recognized for gynes. M. catharinae, M. sp.7, M. nodigera and M. gallicola were clearly delimited in the gyne morphological space. M. ruszkii showed high phenotypic variability, and this species was classified in two morphological clusters based on gyne specimens. Species identification employing multiple gyne morphological traits exhibited the best results. Our results show that morphospace analysis can be useful for delimitation of Myrmelachista species. |
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Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo)Arboreal antsMorphometric variablesMultivariate analysisTaxonomyTwigsMyrmelachista is an exclusively Neotropical ant genus. The ants from this genus nest and forage in live or dead trees, but data on its life cycle are relatively scarce. The taxonomy of this genus is considerably complex. The morphological characters of taxonomic importance are not well defined, and combining characteristics from the largest possible number of castes is thus essential. The goal of the present study was to present the results of multidimensional morphological analyses conducted based on morphometric measurements of workers and alates to help with the identification of Myrmelachista species. For that purpose, we gathered data from 277 specimens (workers, males and gynes) from eight species cohabiting Atlantic Forest areas. Eighteen morphometric variables were measured on workers and 20 on reproductive ants. Measurements related to eye size and mandible width were the variables more strongly associated with the two morphological clusters obtained based on the morphology of workers. However, the morphospace described by workers cannot be used to delimit the species of Myrmelachista. Mandible width, petiole height and eye size (eye length and ocelli width) were the most informative variables associated with the four clusters of morphology that clearly delimit males of M. arthuri, M. ruszkii sp.7, and in part, M. catharinae. Finally, petiole length and head length were the best descriptors of the six morphological clusters recognized for gynes. M. catharinae, M. sp.7, M. nodigera and M. gallicola were clearly delimited in the gyne morphological space. M. ruszkii showed high phenotypic variability, and this species was classified in two morphological clusters based on gyne specimens. Species identification employing multiple gyne morphological traits exhibited the best results. Our results show that morphospace analysis can be useful for delimitation of Myrmelachista species.Universidade de Mogi das Cruzes, Núcleo de Ciências Ambientais, Laboratório de Mirmecologia, Av. Dr. Cândido Xavier de Almeida Souza, 200Museu Paraense Emílio GoeldiUniversidade Estadual PaulistaUniversidade Federal Do ParanáUniversidade Estadual PaulistaUniversidade de Mogi das Cruzes, Núcleo de Ciências Ambientais, Laboratório de MirmecologiaMuseu Paraense Emílio GoeldiUniversidade Estadual Paulista (UNESP)Universidade Federal do Paraná (UFPR)Nakano, M. A.Silva, R. R.Miranda, V. F.O. [UNESP]Feitosa, R. M.Morini, M. S.C.2022-04-28T19:01:24Z2022-04-28T19:01:24Z2015-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article321-327http://dx.doi.org/10.13102/sociobiology.v62i2.321-327Sociobiology, v. 62, n. 2, p. 321-327, 2015.0361-6525http://hdl.handle.net/11449/22041010.13102/sociobiology.v62i2.321-3272-s2.0-84937828945Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSociobiologyinfo:eu-repo/semantics/openAccess2022-04-28T19:01:24Zoai:repositorio.unesp.br:11449/220410Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:32:56.825135Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
title |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
spellingShingle |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) Nakano, M. A. Arboreal ants Morphometric variables Multivariate analysis Taxonomy Twigs |
title_short |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
title_full |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
title_fullStr |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
title_full_unstemmed |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
title_sort |
Morphological differentiation between species of Myrmelachista Roger (Formicidae: Formicinae) in Atlantic Forest areas of the Alto Tietê (São Paulo) |
author |
Nakano, M. A. |
author_facet |
Nakano, M. A. Silva, R. R. Miranda, V. F.O. [UNESP] Feitosa, R. M. Morini, M. S.C. |
author_role |
author |
author2 |
Silva, R. R. Miranda, V. F.O. [UNESP] Feitosa, R. M. Morini, M. S.C. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade de Mogi das Cruzes, Núcleo de Ciências Ambientais, Laboratório de Mirmecologia Museu Paraense Emílio Goeldi Universidade Estadual Paulista (UNESP) Universidade Federal do Paraná (UFPR) |
dc.contributor.author.fl_str_mv |
Nakano, M. A. Silva, R. R. Miranda, V. F.O. [UNESP] Feitosa, R. M. Morini, M. S.C. |
dc.subject.por.fl_str_mv |
Arboreal ants Morphometric variables Multivariate analysis Taxonomy Twigs |
topic |
Arboreal ants Morphometric variables Multivariate analysis Taxonomy Twigs |
description |
Myrmelachista is an exclusively Neotropical ant genus. The ants from this genus nest and forage in live or dead trees, but data on its life cycle are relatively scarce. The taxonomy of this genus is considerably complex. The morphological characters of taxonomic importance are not well defined, and combining characteristics from the largest possible number of castes is thus essential. The goal of the present study was to present the results of multidimensional morphological analyses conducted based on morphometric measurements of workers and alates to help with the identification of Myrmelachista species. For that purpose, we gathered data from 277 specimens (workers, males and gynes) from eight species cohabiting Atlantic Forest areas. Eighteen morphometric variables were measured on workers and 20 on reproductive ants. Measurements related to eye size and mandible width were the variables more strongly associated with the two morphological clusters obtained based on the morphology of workers. However, the morphospace described by workers cannot be used to delimit the species of Myrmelachista. Mandible width, petiole height and eye size (eye length and ocelli width) were the most informative variables associated with the four clusters of morphology that clearly delimit males of M. arthuri, M. ruszkii sp.7, and in part, M. catharinae. Finally, petiole length and head length were the best descriptors of the six morphological clusters recognized for gynes. M. catharinae, M. sp.7, M. nodigera and M. gallicola were clearly delimited in the gyne morphological space. M. ruszkii showed high phenotypic variability, and this species was classified in two morphological clusters based on gyne specimens. Species identification employing multiple gyne morphological traits exhibited the best results. Our results show that morphospace analysis can be useful for delimitation of Myrmelachista species. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-01-01 2022-04-28T19:01:24Z 2022-04-28T19:01:24Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.13102/sociobiology.v62i2.321-327 Sociobiology, v. 62, n. 2, p. 321-327, 2015. 0361-6525 http://hdl.handle.net/11449/220410 10.13102/sociobiology.v62i2.321-327 2-s2.0-84937828945 |
url |
http://dx.doi.org/10.13102/sociobiology.v62i2.321-327 http://hdl.handle.net/11449/220410 |
identifier_str_mv |
Sociobiology, v. 62, n. 2, p. 321-327, 2015. 0361-6525 10.13102/sociobiology.v62i2.321-327 2-s2.0-84937828945 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Sociobiology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
321-327 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1808129436132835328 |