Ant workers exhibit specialization and memory during raft formation.

Détails

ID Serval
serval:BIB_AD50ABD6EB78
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Ant workers exhibit specialization and memory during raft formation.
Périodique
The Science of Nature
Auteur(s)
Avril A., Purcell J., Chapuisat M.
ISSN
1432-1904 (Electronic)
ISSN-L
0028-1042
Statut éditorial
Publié
Date de publication
2016
Peer-reviewed
Oui
Volume
103
Numéro
36
Pages
1-6
Langue
anglais
Résumé
By working together, social insects achieve tasks that are beyond the reach of single individuals. A striking example of collective behaviour is self-assembly, a process in which individuals link their bodies together to form structures such as chains, ladders, walls or rafts. To get insight into how individual behavioural variation affects the formation of self-assemblages, we investigated the presence of task specialization and the role of past experience in the construction of ant rafts. We subjected groups of Formica selysi workers to two consecutive floods and monitored the position of individuals in rafts. Workers showed specialization in their positions when rafting, with the same individuals consistently occupying the top, middle, base or side position in the raft. The presence of brood modified workers' position and raft shape. Surprisingly, workers' experience in the first rafting trial with brood influenced their behaviour and raft shape in the subsequent trial without brood. Overall, this study sheds light on the importance of workers' specialization and memory in the formation of self-assemblages.
Mots-clé
Animals, Ants/physiology, Behavior, Animal/physiology, Floods, Memory, Social Behavior
Pubmed
Web of science
Création de la notice
06/04/2016 13:54
Dernière modification de la notice
03/03/2018 20:29
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