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Revista Brasileira de Entomologia
Print version ISSN 0085-5626
MONTAGNA, Thiago S.; NEVES, Érika F. and ANTONIALLI-JUNIOR, William F.. First report of interspecific facultative social parasitism in the paper wasp genus Mischocyttarus Saussure (Hymenoptera, Vespidae). Rev. Bras. entomol. [online]. 2012, vol.56, n.2, pp.263-265. Epub June 05, 2012. ISSN 0085-5626. http://dx.doi.org/10.1590/S0085-56262012005000025.
First report of interspecific facultative social parasitism in the paper wasp genus Mischocyttarus Saussure (Hymenoptera, Vespidae). Parasitism of colonies of the social wasp Mischocyttarus cerberus Ducke, 1918 by females of Mischocyttarus consimilis Zikán, 1949 was observed in a rural area of Dourados, state of Mato Grosso do Sul, Brazil. In all monitored cases, the invasion occurred in the pre-emergence colony stage, generally by a single female of M. consimilis. The period of establishment of the foreign female in the host colony was marked by antagonistic behaviors between the host female and the invasive. In general, the architecture of the parasitized nest was modified from the typical architecture of the host species nest.
Keywords : Competition; interaction; independent foundation; neotropical wasp.