Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista brasileira de entomologia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000100013 |
Resumo: | Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil. We studied seasonal foraging patterns of the queenless ant D. quadriceps (Formicidae, Ponerinae) for 24 months in a Caatinga area of northeastern Brazil, an ecosystem characterized by strong climatic changes throughout the year, in order to determine if regulation of worker activity is based on environmental conditions (air temperature, relative humidity, precipitation) and/or food resources (potential prey: Coleoptera, Diptera, Hemiptera, Hymenoptera, Lepidoptera, Orthoptera, Araneae, Chilopoda and Diplopoda). Foraging activity of D. quadriceps varied over the course of both years, with the highest frequency occurring from May to August, corresponding to the late rainy season and early dry season. This foraging activity was negatively correlated with temperature and positively correlated with the availability of potential prey, but not with total abundance of soil arthropods or with rainfall and relative humidity. Diet composition, in relation to the main taxonomic prey groups, seems to be common to the species, regardless of habitat. Our results suggest that D. quadriceps workers adjust foraging activity to the most suitable period of the year, to avoid thermal stress and increase efficiency. Thus, they present an appropriate behavioral response to seasonal fluctuations in the Caatinga. |
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Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern BrazilAntsenvironmental factorsforagingNeotropical regionseasonalitySeasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil. We studied seasonal foraging patterns of the queenless ant D. quadriceps (Formicidae, Ponerinae) for 24 months in a Caatinga area of northeastern Brazil, an ecosystem characterized by strong climatic changes throughout the year, in order to determine if regulation of worker activity is based on environmental conditions (air temperature, relative humidity, precipitation) and/or food resources (potential prey: Coleoptera, Diptera, Hemiptera, Hymenoptera, Lepidoptera, Orthoptera, Araneae, Chilopoda and Diplopoda). Foraging activity of D. quadriceps varied over the course of both years, with the highest frequency occurring from May to August, corresponding to the late rainy season and early dry season. This foraging activity was negatively correlated with temperature and positively correlated with the availability of potential prey, but not with total abundance of soil arthropods or with rainfall and relative humidity. Diet composition, in relation to the main taxonomic prey groups, seems to be common to the species, regardless of habitat. Our results suggest that D. quadriceps workers adjust foraging activity to the most suitable period of the year, to avoid thermal stress and increase efficiency. Thus, they present an appropriate behavioral response to seasonal fluctuations in the Caatinga.Sociedade Brasileira De Entomologia2012-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000100013Revista Brasileira de Entomologia v.56 n.1 2012reponame:Revista brasileira de entomologia (Online)instname:Sociedade Brasileira De Entomologia (SBE)instacron:SBE10.1590/S0085-56262012000100013info:eu-repo/semantics/openAccessMedeiros,JenifferAraújo,ArriltonAraújo,Helder F. P.Queiroz,João Paulo C.Vasconcellos,Alexandreeng2012-04-16T00:00:00Zoai:scielo:S0085-56262012000100013Revistahttp://www.rbentomologia.com/https://old.scielo.br/oai/scielo-oai.php||sbe@ufpr.br1806-96650085-5626opendoar:2012-04-16T00:00Revista brasileira de entomologia (Online) - Sociedade Brasileira De Entomologia (SBE)false |
dc.title.none.fl_str_mv |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
title |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
spellingShingle |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil Medeiros,Jeniffer Ants environmental factors foraging Neotropical region seasonality |
title_short |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
title_full |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
title_fullStr |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
title_full_unstemmed |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
title_sort |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil |
author |
Medeiros,Jeniffer |
author_facet |
Medeiros,Jeniffer Araújo,Arrilton Araújo,Helder F. P. Queiroz,João Paulo C. Vasconcellos,Alexandre |
author_role |
author |
author2 |
Araújo,Arrilton Araújo,Helder F. P. Queiroz,João Paulo C. Vasconcellos,Alexandre |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Medeiros,Jeniffer Araújo,Arrilton Araújo,Helder F. P. Queiroz,João Paulo C. Vasconcellos,Alexandre |
dc.subject.por.fl_str_mv |
Ants environmental factors foraging Neotropical region seasonality |
topic |
Ants environmental factors foraging Neotropical region seasonality |
description |
Seasonal activity of Dinoponera quadriceps Santschi (Formicidae, Ponerinae) in the semi-arid Caatinga of northeastern Brazil. We studied seasonal foraging patterns of the queenless ant D. quadriceps (Formicidae, Ponerinae) for 24 months in a Caatinga area of northeastern Brazil, an ecosystem characterized by strong climatic changes throughout the year, in order to determine if regulation of worker activity is based on environmental conditions (air temperature, relative humidity, precipitation) and/or food resources (potential prey: Coleoptera, Diptera, Hemiptera, Hymenoptera, Lepidoptera, Orthoptera, Araneae, Chilopoda and Diplopoda). Foraging activity of D. quadriceps varied over the course of both years, with the highest frequency occurring from May to August, corresponding to the late rainy season and early dry season. This foraging activity was negatively correlated with temperature and positively correlated with the availability of potential prey, but not with total abundance of soil arthropods or with rainfall and relative humidity. Diet composition, in relation to the main taxonomic prey groups, seems to be common to the species, regardless of habitat. Our results suggest that D. quadriceps workers adjust foraging activity to the most suitable period of the year, to avoid thermal stress and increase efficiency. Thus, they present an appropriate behavioral response to seasonal fluctuations in the Caatinga. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000100013 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000100013 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0085-56262012000100013 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira De Entomologia |
publisher.none.fl_str_mv |
Sociedade Brasileira De Entomologia |
dc.source.none.fl_str_mv |
Revista Brasileira de Entomologia v.56 n.1 2012 reponame:Revista brasileira de entomologia (Online) instname:Sociedade Brasileira De Entomologia (SBE) instacron:SBE |
instname_str |
Sociedade Brasileira De Entomologia (SBE) |
instacron_str |
SBE |
institution |
SBE |
reponame_str |
Revista brasileira de entomologia (Online) |
collection |
Revista brasileira de entomologia (Online) |
repository.name.fl_str_mv |
Revista brasileira de entomologia (Online) - Sociedade Brasileira De Entomologia (SBE) |
repository.mail.fl_str_mv |
||sbe@ufpr.br |
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1752126459129888768 |