Self-assemblages in insect societies

Anderson, C. and Theraulaz, G. and Deneubourg, J. L. (2002) Self-assemblages in insect societies. INSECTES SOCIAUX, 49 (2). pp. 99-110. ISSN 0020-1812

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Abstract

In insect societies, a number of very striking collective structures are formed by individuals linking themselves to one another. One such example is an army ant bivouac. These structures are termed self-assemblages and are part of a more general and important aspect of insect societies - intermediate-level parts - in which functional group-level adaptive structures are formed. These parts are, in a sense, the tissues and organs of complex insect societies. Here we review the natural history of self-assemblages in insect societies. We find that at least 18 different types of structure exist: bivouacs, bridges, curtains, droplets, escape droplets, festoons, fills, flanges, ladders, ovens, plugs, pulling chains, queen clusters, rafts, swarms, thermoregulatory clusters, tunnels, and walls. These self-assemblages are found in a variety of species of ants, bees, and wasps, but (as far as we are aware) not in termites. The function of these self-assemblages can be grouped under five broad categories which are not mutually exclusive: 1) defence, 2) pulling structures, 3) thermoregulation, 4) colony survival under inclement conditions, and 5) case of passage when crossing an obstacle. The paucity of our knowledge concerning the factors that favour self-assemblage formation and the likely proximate mechanisms are highlighted.

Item Type: Article
Uncontrolled Keywords: AFRICAN WEAVER ANT; APIS-MELLIFERA L; HONEY-BEE; COLLECTIVE DECISIONS; SOCIAL INSECTS; ARGENTINE ANT; ARMY ANTS; BEHAVIOR; HYMENOPTERA; FORMICIDAE; self-assemblages; chains; bivouacs; swarms; aggregation
Subjects: 500 Science > 590 Zoological sciences
Divisions: Biology, Preclinical Medicine > Institut für Zoologie
Depositing User: Petra Gürster
Date Deposited: 19 May 2021 09:37
Last Modified: 19 May 2021 09:37
URI: https://pred.uni-regensburg.de/id/eprint/40751

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