Colony size, communication and ant foraging strategy
TLDR
This paper aims to verify a prediction that the larger the colony size, the less foraging is individually based and the more teamwork is required in ant foraging strategy.Abstract:
Some 12,000 ant species are known by now, with colony sizes ranging from a few individuals to 20,000,000 individuals. What constraints does this vast range of colony sizes place on the systems of organisation that they use? Alternatively, how does this range of colony sizes reflect the different systems of organisation used? We shall examine these questions in relation to ant foraging strategy, which as well as being the most visible aspect of their activity illustrates most clearly the roles and limits of communication in their collective behavior. This paper aims to verify a prediction of the following hypothesis (Pasteels et al. 1985; Deneubourg et al. 1986). In theory, the organization of a small insect society can rely on most individuals at any moment \"knowing\", principally by learning, what it must do, where it must go, etc., and the workers’ behavior has a strong determinist component. In a large insect society organization by individual learning is harder to achieve (Deneubourg et al. 1987). The workers’ behavior is necessarily more random and their coordination becomes a major problem. To cope with this, a completely different organisational system is added to that already in place. This supplementary system is based on the complex collective structures, patterns and decisions that spontaneously emerge from simple autocatalytic interactions between numerous individuals and with the environment, mediated by essentially chemical communication (see, e.g., Pasteels et al. 1987; Goss and Deneubourg 1989; Beckers et al. in press; Deneubourg et al, 1989, in press; Goss et al. 1990). The prediction that follows from this hypothesis is that the larger the colony size, the less foraging is individually based and the moreread more
Citations
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The principles of collective animal behaviour.
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Collective cognition in animal groups.
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References
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Book
The Insect Societies
TL;DR: In this article, a definitive study of the social structure and symbiotic relationships of termites, social wasps, bees, and ants was conducted. But the authors focused on the relationship between ants and termites.
Book
Caste and ecology in the social insects
George Oster,Edward O. Wilson +1 more
TL;DR: Oster and Wilson as discussed by the authors provided the first fully developed theory of caste evolution among the social insects and studied the effects of natural selection in generally increasing the insects' ergonomic efficiency.
Journal ArticleDOI
Caste and Ecology in the Social Insects
TL;DR: In this pathbreaking and far-reaching work George Oster and Edward Wilson provide the first fully developed theory of caste evolution among the social insects and construct a series of mathematical models to characterize the agents of natural selection that promote particular caste systems.
Journal Article
The Insect Societies
TL;DR: The author wished to relate the three phases of research on insects and to express insect sociology as population biology in this detailed survey of knowledge of insect societies.
Journal ArticleDOI
Self-organized Shortcuts in the Argentine Ant
TL;DR: Les fourmis I. humilis choisissent le chemin le plus court pour aller de la colonie au lieu d'approvisionnement.