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<title lang=en>Altruism during predation in an assassin bug</title>
<creator>Dejean, Alain</creator>
<creator>Revel, Messika</creator>
<creator>Azémar, Frédéric</creator>
<creator>Roux, Olivier</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>National Research Council of Canada (NRC)</contributor>
<contributor>Institut National de la Recherche Scientifique [Québec] (INRS)</contributor>
<contributor>Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut de Recherche pour le Développement (IRD [France-Sud])</contributor>
<description>International audience</description>
<source>ISSN: 0028-1042</source>
<source>EISSN: 1432-1904</source>
<source>Naturwissenschaften</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-01091981</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01091981</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01091981/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01091981/file/Dejean_11543.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01091981</source>
<source>Naturwissenschaften, Springer Verlag, 2013, vol. 100, pp. 913-922. 〈10.1007/s00114-013-1091-9〉</source>
<identifier>DOI : 10.1007/s00114-013-1091-9</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s00114-013-1091-9</relation>
<language>en</language>
<subject lang=en>Conspecific tolerance</subject>
<subject lang=en>Predation</subject>
<subject lang=en>Prey sharing</subject>
<subject lang=en>Reduviidae</subject>
<subject lang=en>Zelus annulosus</subject>
<subject>[SDV.EE] Life Sciences [q-bio]/Ecology, environment</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Zelus annulosus is an assassin bug species mostly noted on Hirtella physophora, a myrmecophyte specifically associated with the ant Allomerus decemarticulatus known to build traps on host tree twigs to ambush insect preys. The Z. annulosus females lay egg clutches protected by a sticky substance. To avoid being trapped, the first three instars of nymphs remain grouped in a clutch beneath the leaves on which they hatched, yet from time to time, they climb onto the upper side to group ambush preys. Long-distance prey detection permits these bugs to capture flying or jumping insects that alight on their leaves. Like some other Zelus species, the sticky substance of the sundew setae on their forelegs aids in prey capture. Group ambushing permits early instars to capture insects that they then share or not depending on prey size and the hunger of the successful nymphs. Fourth and fifth instars, with greater needs, rather ambush solitarily on different host tree leaves, but attract siblings to share large preys. Communal feeding permits faster prey consumption, enabling small nymphs to return sooner to the shelter of their leaves. By improving the regularity of feeding for each nymph, it likely regulates nymphal development, synchronizing molting and subsequently limiting cannibalism.</description>
<date>2013-10</date>
</dc>
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