Arid
DOI10.1007/s00040-005-0846-5
Kin recognition and the paradoxical patterns of aggression between colonies of a Mojave desert Pheidole ant
Tripet, F; Fournier, D; Nonacs, P; Keller, L
通讯作者Tripet, F
来源期刊INSECTES SOCIAUX
ISSN0020-1812
出版年2006
卷号53期号:2页码:127-135
英文摘要

Populations of the desert seed-harvesting ant Phei-dole xerophylla are often characterized by high nest density leading to competitive interactions between foragers from different nests. We investigated the inter-nest aggression, spatial distribution and genetic structure of a P. xerophylla population of the Mojave Desert in Southern California. Inter-nest aggression was quantified by standardized staged encounters in a neutral arena. Genetic relatedness within nests and relatedness between nests were calculated using allelic frequencies at four microsatellite-DNA loci. We found a bimodal distribution of inter-colony aggression levels with a first mode at low aggression levels and another mode at much higher aggression levels. Inter-colony aggression levels were largely non-transitive. No effect of geographical distance on inter-nest aggression levels was detected. Despite high amounts of variation in inter-colony relatedness (-0.24 to 0.37) this variable did not correlate with the level of aggression between nests. Intra-nest relatedness ranged from 0.40 to 0.75 and close inspection of worker genotypes within colonies revealed a high proportion of polygynous colonies or a mixture of polygyny and polyandry. Aggression levels among nests was found to decrease with increasing intra-nest relatedness. These results do not support the idea that aggression is modulated by a nestmate recognition mechanism based on overall genetic similarity. Instead, the absence of transitivity found in inter-colony aggression and bimodal distribution of aggression levels are compatible with a common label acceptance model of nestmate recognition and suggest that label diversity may be encoded by a limited number of loci.


英文关键词nestmate recognition intraspecific competition endogenous cues exogenous cues common label acceptance model
类型Article
语种英语
国家USA ; Belgium ; Switzerland
收录类别SCI-E
WOS记录号WOS:000238651100001
WOS关键词NESTMATE RECOGNITION ; SOCIAL HYMENOPTERA ; FORMICA-PRATENSIS ; GENETIC-STRUCTURE ; BREEDING SYSTEM ; ARGENTINE ANTS ; SEX-RATIOS ; FIRE ANT ; RELATEDNESS ; EVOLUTION
WOS类目Entomology
WOS研究方向Entomology
来源机构University of California, Davis ; University of California, Los Angeles
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/151702
作者单位(1)Univ Calif Davis, Dept Entomol, Davis, CA 95616 USA;(2)Free Univ Brussels, Brussels, Belgium;(3)Univ Calif Los Angeles, Dept Ecol & Evolut Biol, Los Angeles, CA 90095 USA;(4)Univ Lausanne, Dept Ecol & Evolut, CH-1050 Lausanne, Switzerland
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Tripet, F,Fournier, D,Nonacs, P,et al. Kin recognition and the paradoxical patterns of aggression between colonies of a Mojave desert Pheidole ant[J]. University of California, Davis, University of California, Los Angeles,2006,53(2):127-135.
APA Tripet, F,Fournier, D,Nonacs, P,&Keller, L.(2006).Kin recognition and the paradoxical patterns of aggression between colonies of a Mojave desert Pheidole ant.INSECTES SOCIAUX,53(2),127-135.
MLA Tripet, F,et al."Kin recognition and the paradoxical patterns of aggression between colonies of a Mojave desert Pheidole ant".INSECTES SOCIAUX 53.2(2006):127-135.
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