The police are not the army: context-dependent aggressiveness in a clonal ant

Barth, M. Benjamin and Kellner, Katrin and Heinze, Juergen (2010) The police are not the army: context-dependent aggressiveness in a clonal ant. BIOLOGY LETTERS, 6 (3). pp. 329-332. ISSN 1744-9561,

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Abstract

Animals often exhibit particular 'personalities', i.e. their behaviour is correlated across different situations. Recent studies suggest that this limitation of behavioural plasticity may be adaptive, since continuous adjustment of one's behaviour may be time-consuming and costly. In social insects, particularly aggressive workers might efficiently take over fighting in the contexts of both nest defence and 'policing', i.e. the regulation of kin conflict in the society. Here, we examine whether workers who engage in aggressive policing in the ant Platythyrea punctata play a prominent role also in nest defence against intruders. The participation of individuals in policing and nest defence was highly skewed and a minority of workers exhibited most of the aggression. Workers who attacked reproductives after experimental colony fusion were less active during nest defence and vice versa. This suggests that workers show situation-dependent behavioural plasticity rather than consistently aggressive personalities.

Item Type: Article
Uncontrolled Keywords: APIS-MELLIFERA-CAPENSIS; DIVISION-OF-LABOR; PLATYTHYREA-PUNCTATA; COLONY DEFENSE; REPRODUCTION; SOCIETIES; EVOLUTION; CONFLICT; BEHAVIOR; QUEEN; Platythyrea punctata; colony fusion; worker policing; animal personalities; behavioural syndromes
Subjects: 500 Science > 590 Zoological sciences
Divisions: Biology, Preclinical Medicine > Institut für Zoologie > Zoologie/Evolutionsbiologie (Prof. Dr. Jürgen Heinze)
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 Jul 2020 06:20
Last Modified: 28 Jul 2020 06:20
URI: https://pred.uni-regensburg.de/id/eprint/24549

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