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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1985 May;82(9):3058–3061. doi: 10.1073/pnas.82.9.3058

Kin discrimination by worker honey bees in genetically mixed groups

Michael D Breed 1, Linda Butler 1, Tammy M Stiller 1
PMCID: PMC397706  PMID: 16593559

Abstract

We tested the hypothesis that in a genetically mixed assemblage of worker honey bees, individual workers would behave differently toward unfamiliar sisters than toward unfamiliar nonsisters. Groups of worker honey bees of mixed genetic composition were assembled by collecting pupae from separate colonies and placing the worker bees together on eclosion. A total of 10 workers, 5 from each of two kin groups, were used to form each group. When the workers were 5 days old, a worker of one of the two kin groups was introduced into the mixed group. This worker had previously been held in a group of its sisters, without contact with queen or nonsister bees. The interactions with the introduced bee indicate that in a mixed kin group, individual workers learn the composite identity of the group and do not attack unfamiliar bees differentially on the basis of kinship. However, kinship does influence the total number of interactions in which an introduced bee engages when placed in a genetically mixed group; bees interacted significantly more often with sisters than with nonsisters. There was a trend for bees to be involved in more feeding interactions with sisters. This finding indicates an ability of a bee to learn and use its own cues. In mixed groups, each bee maintains its genotypically correlated identity; the bees' odors do not comingle into a “group” or “gestalt” odor. The significance of these results is discussed in light of the genetic structure of natural colonies of honey bees.

Keywords: kin recognition, Apis mellifera, sibling group, aggressive behavior

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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