Decision-making in honeybee swarms based on quality and distance information of candidate nest sites
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Author list: Laomettachit T., Termsaithong T., Sae-Tang A., Duangphakdee O.
Publisher: Elsevier
Publication year: 2015
Journal: Journal of Theoretical Biology (0022-5193)
Volume number: 364
Start page: 21
End page: 30
Number of pages: 10
ISSN: 0022-5193
Languages: English-Great Britain (EN-GB)
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Abstract
In the nest-site selection process of honeybee swarms, an individual bee performs a waggle dance to communicate information about direction, quality, and distance of a discovered site to other bees at the swarm. Initially, different groups of bees dance to represent different potential sites, but eventually the swarm usually reaches an agreement for only one site. Here, we model the nest-site selection process in honeybee swarms of Apis mellifera and show how the swarms make adaptive decisions based on a trade-offbetween the quality and distance to candidate nest sites. We use bifurcation analysis and stochastic simulations to reveal that the swarm's site distance preference is moderate>near>far when the swarms choose between low quality sites. However, the distance preference becomes near>moderate>far when the swarms choose between high quality sites. Our simulations also indicate that swarms with large population size prefer nearer sites and, in addition, are more adaptive at making decisions based on available information compared to swarms with smaller population size. ฉ 2014 Elsevier Ltd.
Keywords
Bifurcation analysis, Group decision-making, Stochastic simulation
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