Colony sex ratios in the facultatively polygynous ant Pheidole pallidula: a reanalysis with new data

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Title
Colony sex ratios in the facultatively polygynous ant Pheidole pallidula: a reanalysis with new data
Journal
Evolution
Author(s)
Helms  K. R., Fournier  D., Keller  L., Passera  L., Aron  S.
ISSN
0014-3820
Publication state
Published
Issued date
05/2004
Peer-reviewed
Oui
Volume
58
Number
5
Pages
1141-1142
Notes
Comment Comparative Study Journal Article
Abstract
A recent study by Fournier et al. (2003) provides important new information on sex allocation in the ant Pheidole pallidula, and proposes a new scenario for sex-ratio evolution in P. pallidula and similar species. However, Helms proposed to the authors that two important conclusions of the study were questionable because of potential problems with the analyses. Here we provide new data and a reanalysis that strengthens the conclusion that colony sex ratio is associated with breeding system (i.e., polygyny or monogyny). However, the proposal that colonies shift from monogyny to polygyny when they become larger and more productive is weakened because there is substantial overlap in productivity between monogynous and polygynous colonies.
Keywords
Animals Ants/*genetics/*physiology Biomass *Evolution France Reproduction/physiology *Sex Ratio *Sexual Behavior, Animal Social Dominance
Pubmed
Web of science
Create date
24/01/2008 18:39
Last modification date
20/08/2019 15:16
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