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Having a complex social structure in which individuals live in a colony and have specialized functions, with one or more females producing offspring and nonbreeding individuals cooperatively caring for the young, as in termites and many ants, bees, and wasps.

eu·so′ci·al′i·ty (-shē-ăl′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Zoology) zoology of or relating to the society of certain animals in which workers provide for reproductive individuals, esp that of certain insects
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(yuˈsoʊ ʃəl)
of or pertaining to a form of animal society, as that of ants, shrimps, and sponges, characterized by specialization of tasks and cooperative care of the young.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Colony size seems to be related to several of features that characterize these eusocial hymenopteran societies.
Not only eusocial insect colonies but also most parasocial and subsocial groups should be designated as societies and their members as social in the most general sense."
For gregarious and eusocial insects, communication relies essentially on chemical signals and amplification mechanisms (Camazine et al., 2001).
That possibility occurred to Sean O'Donnell at the University of Washington in Seattle when he studied one of the so-called eusocial wasps, Polybia occidentalis.
Genetic relatedness and population structure in primitively eusocial wasps in the genus Mischocyttarus (Hymenoptera: Vespidae).
Relatedness and population structure of the primitively eusocial bee Lasioglossum zephyrum (Hymenoptera: Halictidae) in Kansas.
Polistes is a large, cosmopolitan genus of eusocial wasps, and like other social vespids, its members can create environmental problems when introduced to novel environments.
In other words, apart from establishing nests in various semi-natural habitats surrounding fields, some bee species (e.g., eusocial bees) managed to establish their nests in hallows of living trees, meaning that one should know these tree species and maintain them in the farm-landscape to increase nesting sites opportunities of good pollinators living within agricultural matrices.
Para la estimacion de la abundancia de especies de hormigas se debe tener en cuenta que las hormigas presentan comportamiento eusocial y esto introduce sesgos al estimar la abundancia relativa como numero de organismos colectados, ya que una colonia puede estar cerca de una trampa y ser colectada parcial o totalmente.
In the classic definition of degrees of social behavior by Wilson (1971), eusocial species are characterized as having members of the same generation using a composite nest, cooperation in brood care, overlap of generations with offspring assisting parents and reproductive division of labor.