2006
DOI: 10.1007/s00040-005-0846-5
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Kin recognition and the paradoxical patterns of aggression between colonies of a Mojave desert Pheidole ant

Abstract: Abstract. Populations of the desert seed-harvesting ant Pheidole 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 quantifi ed by standardized staged encounters in a neutral arena. Genetic relatedness within nests and relatedness between nests wer… Show more

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Cited by 6 publications
(6 citation statements)
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“…1996; P. xerophylla (previously P. tucsonica ) and P. gilvescens , Langen et al . 2000; Tripet et al . 2006); and their impact on biodiversity (e.g.…”
Section: Microsatellite Loci Developed For the Ant Pheidole Megacephamentioning
confidence: 99%
“…1996; P. xerophylla (previously P. tucsonica ) and P. gilvescens , Langen et al . 2000; Tripet et al . 2006); and their impact on biodiversity (e.g.…”
Section: Microsatellite Loci Developed For the Ant Pheidole Megacephamentioning
confidence: 99%
“…g ., Formica polyctena , [ 92 ]; Formica pratensis , [ 93 ]; Crematogaster scutellaris , [ 94 ]). In contrast, such a genetic contribution in discrimination of non-colony members is less apparent, or even absent, in other species where neither the social structure ( Rhytidoponera confusa , [ 95 ]; Leptothorax ambiguus , [ 96 ]; Pheidole xerophylla , [ 60 ]; Formica selysi , [ 61 ]; Formica fusca , [ 63 ]) nor the genetic distance between colonies ( Pheidole xerophylla , [ 60 ]; Plagiolepis pygmaea , [ 16 ]; Acromyrmex lobicornis , [ 97 ]; F . exsecta , [ 98 ]) were found to affect the level of aggression against intruders.…”
Section: Discussionmentioning
confidence: 99%
“…The minimum number of queens per colony is therefore inferred from the number of alleles detected among twelve workers at each locus: 3 or fewer alleles = 1 queen, 4–6 alleles = 2 queens, etc. [ 60 ]. Genotypes were visually inspected, and the most parsimonious sibship reconstruction was kept for each colony.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Polyandry has only been tentatively shown so far to occur in one dimorphic Pheidole species ( P. xerophila ) (Tripet et al . ), but the evidence is confounded by the potential co‐occurrence of polygyny. This strong association between dimorphic species and monandry, however, does not imply that low genetic diversity in colonies is always associated with low worker diversity in species with sterile helpers.…”
Section: Discussionmentioning
confidence: 99%