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0017) Laland, K. N. & Williams, K. 1998 Social transmission of maladaptive information in the guppy. Behav. Ecol. 9, 493–499. 493) Lindauer, M. 1955 Schwarmbienen auf Wohnungssuche. Z. Vgl. Physiol. 37, 263–324. 1007/BF00303153) Lindauer, M. 1961 Communication among social bees. New York, NY: Atheneum. List, C. 2004 Democracy in animal groups: a political science perspective. Trends Ecol. Evol. 19, 168–169. 004) Mallon, E. , Pratt, S. C. & Franks, N. R. 2001 Individual and collective decision-making during nest site selection by the ant Leptothorax albipennis.

Natl Acad. Sci. USA 105, 6948–6953. 1073/pnas. 0710344105) Wood, A. J. & Acland, G. J. 2007 Evolving the selfish herd: emergence of distinct aggregating strategies in an individual-based model. Proc. R. Soc. B 274, 1637–1642. (doi:10. org on May 16, 2010 Phil. Trans. R. Soc. 0277 Published online 12 December 2008 Independence and interdependence in collective decision making: an agent-based model of nest-site choice by honeybee swarms Christian List1,*, Christian Elsholtz2 and Thomas D. Seeley3 1 2 Department of Government, London School of Economics, London WC2A 2AE, UK Department of Mathematics, Royal Holloway, University of London, Egham, Surrey TW20 0EX, UK 3 Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA Condorcet’s jury theorem shows that when the members of a group have noisy but independent information about what is best for the group as a whole, majority decisions tend to outperform dictatorial ones.

In these cases, the bees are forced to re-settle and begin the process again (Lindauer 1955, 1961). Ants of the genus Temnothorax form much smaller colonies than honeybees, typically with no more than 100–200 individuals. Colonies can be easily kept in artificial nests and induced to emigrate in the laboratory. They typically move within a few hours, reliably choosing the best site from as many as five alternatives that they discriminate according to cavity area, ceiling height, entrance size, light level and other features (Pratt & Pierce 2001; Franks et al.

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