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<title lang=en>The ecology and feeding habits of the arboreal trap-jawed ant Daceton armigerum.</title>
<creator>Dejean, Alain</creator>
<creator>Delabie, Jacques H C</creator>
<creator>Corbara, Bruno</creator>
<creator>Azémar, Fréderic</creator>
<creator>Groc, Sarah</creator>
<creator>Orivel, Jérôme</creator>
<creator>Leponce, Maurice</creator>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire Ecologie Fonctionnelle et Environnement - ECOLAB (ECOLAB) ; Institut National Polytechnique [Toulouse] (INP) - Université Paul Sabatier - Toulouse 3 (UPS) - Observatoire Midi-Pyrénées (OMP) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Centro de Pesquisas do Cacau, 45600-000, Itabuna, and Universidade Estadual de Santa Cruz, 45662-900 Ilhéus-Bahia, Brazil. ; Centro de Pesquisas do Cacau, 45600-000, Itabuna, and Universidade Estadual de Santa Cruz, 45662-900 Ilhéus-Bahia, Brazil.</contributor>
<contributor>Laboratoire Microorganismes : Génome et Environnement (LMGE) ; Université Blaise Pascal - Clermont-Ferrand 2 (UBP) - Université d'Auvergne - Clermont-Ferrand I (UdA) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Instituto de Biologia Universidade Federal de Uberlaˆndia, Uberlaˆndia, Minas Gerais, Brazil ; Instituto de Biologia Universidade Federal de Uberlaˆndia, Uberlaˆndia, Minas Gerais, Brazil</contributor>
<contributor>Institut Royal des Sciences Naturelles de Belgique, 1000 Brussels, Belgium. ; Institut Royal des Sciences Naturelles de Belgique, 1000 Brussels, Belgium.</contributor>
<description>International audience</description>
<source>ISSN: 1932-6203</source>
<source>PLoS ONE</source>
<publisher>Public Library of Science</publisher>
<identifier>hal-00825759</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00825759</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00825759/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00825759/file/Dejean2012_TheEcology.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00825759</source>
<source>PLoS ONE, Public Library of Science, 2012, 7 (5), pp.e37683. 〈10.1371/journal.pone.0037683〉</source>
<identifier>DOI : 10.1371/journal.pone.0037683</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0037683</relation>
<identifier>PUBMED : 22737205</identifier>
<relation>info:eu-repo/semantics/altIdentifier/pmid/22737205</relation>
<language>en</language>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<subject>[SDV.BA] Life Sciences [q-bio]/Animal biology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Here we show that Daceton armigerum, an arboreal myrmicine ant whose workers are equipped with hypertrophied trap-jaw mandibles, is characterized by a set of unexpected biological traits including colony size, aggressiveness, trophobiosis and hunting behavior. The size of one colony has been evaluated at ca. 952,000 individuals. Intra- and interspecific aggressiveness were tested and an equiprobable null model used to show how D. armigerum colonies react vis-à-vis other arboreal ant species with large colonies; it happens that D. armigerum can share trees with certain of these species. As they hunt by sight, workers occupy their hunting areas only during the daytime, but stay on chemical trails between nests at night so that the center of their home range is occupied 24 hours a day. Workers tend different Hemiptera taxa (i.e., Coccidae, Pseudococcidae, Membracidae and Aethalionidae). Through group-hunting, short-range recruitment and spread-eagling prey, workers can capture a wide range of prey (up to 94.12 times the mean weight of foraging workers).</description>
<date>2012</date>
</dc>
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