Foraging activity rhythms of dinoponera quadriceps (Hymenoptera: formicidae) in its natural environment

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dc.contributor.authorMedeiros, Jeniffer
dc.contributor.authorAzevedo, Dina L. O.
dc.contributor.authorSantana, Melquisedec A. D.
dc.contributor.authorLopes, Talita R. P.
dc.contributor.authorAraújo, Arrilton
dc.date.accessioned2018-01-31T17:49:57Z
dc.date.available2018-01-31T17:49:57Z
dc.date.issued2014
dc.description.resumoThis study characterizes the foraging activity of the queenless ant Dinoponera quadriceps (Kempf) (Hymenoptera: Formicidae) in its natural environment by testing the hypotheses that foraging activity presents both daily and seasonal rhythmic variations, and that these rhythms are related to environmental variables. Four colonies of D. quadriceps were observed in an area of secondary Atlantic forest in northeastern Brazil. Data collection was performed over 72 h every three months during an annual cycle. Both daily and seasonal foraging activity rhythms of D. quadriceps colonies were related to environmental factors, but colony differences also explained part of foraging variations. Foraging activity of D. quadriceps colonies was predominantly diurnal independently of season. In the early dry season, the colonies had two activity peaks, one in the morning and another in the afternoon, with a decrease in foraging at midday; however, during the rest of the year, foraging activity was distributed more evenly throughout the daylight hours. The daily rhythm of foraging activity was likely determined by an endogenous circadian rhythm year-round, but in the dry season, temperature and relative humidity also influenced daily foraging activity, with a negative effect of temperature and a positive effect of relative humidity. On a seasonal scale, foraging activity peaked in the early dry season and suddenly declined at the end of this season, increasing again at the late rainy season. The seasonal rhythm of foraging was negatively related to relative humidity and positively related to prey availabilitypt_BR
dc.identifier.citationMEDEIROS, Jeniffer et al. Foraging activity rhythms of dinoponera quadriceps (Hymenoptera: formicidae) in its natural environment. Journal of Insect Science, v. 14, p. 220-220, 2014. Disponível em <https://academic.oup.com/jinsectscience/article-lookup/doi/10.1093/jisesa/ieu082>. Acesso em: 20 out. 2017.pt_BR
dc.identifier.doi10.1093/jisesa/ieu082
dc.identifier.urihttps://repositorio.ufrn.br/jspui/handle/123456789/24686
dc.languageengpt_BR
dc.publisherOxford University Presspt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectPonerinaept_BR
dc.subjectDaily rhythmpt_BR
dc.subjectSeasonalitypt_BR
dc.subjectEnvironmental factorpt_BR
dc.subjectQueenless antpt_BR
dc.titleForaging activity rhythms of dinoponera quadriceps (Hymenoptera: formicidae) in its natural environmentpt_BR
dc.typearticlept_BR

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