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Characterization of microsatellite loci in Formica lugubris B and their variability in other ant species
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Inclusive fitness theory and eusociality
TLDR
It is argued that inclusive fitness theory has been of little value in explained the natural world, and that it has led to negligible progress in explaining the evolution of eusociality, but these arguments are based upon a misunderstanding of evolutionary theory and a misrepresentation of the empirical literature.
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The expression and impact of antifungal grooming in ants
TLDR
The systematic allo‐grooming of all individuals returning to the colony, be they contaminated or not, is probably a simple but robust prophylactic defence preventing the spread of fungal diseases in insect societies.
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Conditional Manipulation of Sex Ratios by Ant Workers: A Test of Kin Selection Theory
Variable queen mating frequencies provide a unique opportunity to study the resolution of worker-queen conflict over sex ratio in social Hymenoptera, because the conflict is maximal in colonies…
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MICROSATELLITES REVEAL HIGH POPULATION VISCOSITY AND LIMITED DISPERSAL IN THE ANT FORMICA PARALUGUBRIS
We used microsatellites to study the fine‐scale genetic structure of a highly polygynous and largely unicolonial population of the ant Formica paralugubris. Genetic data indicate that long‐distance…
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Unicoloniality, recognition and genetic differentiation in a native Formica ant
TLDR
This study investigated the pattern of aggression and the genetic structure of six unicolonial populations of the ant Formica paralugubris at four hierarchical levels: within nests, among nests within the same population, among populations within the Alps or Jura Mountains and among nests of the two mountain ranges.
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Sex–ratio regulation: the economics of fratricide in ants
TLDR
The results indicate that workers did not replace male brood with new females, but rather reduced total brood size during late larval development, suggesting that the evolution of fratricides in ants is best explained by a combination of ecological, demographic and genetic parameters.
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Division of labour and worker size polymorphism in ant colonies: the impact of social and genetic factors
TLDR
Results indicate that an increase in colony genetic diversity does not increase worker size polymorphism but might improve colony homeostasis, suggesting that the allocation of workers to tasks is modulated by multiple factors.
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Division of labour influences the rate of ageing in weaver ant workers
TLDR
The ageing rate appears to have been moulded by variation in the extrinsic mortality rate independently of size, reproductive effort and genetic configuration in social insects with a pronounced division of labour between worker castes.
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Split sex ratios in the social Hymenoptera: a meta-analysis
TLDR
A meta-analysis shows that workers often bias colony sex allocation in their favor as predicted by split sex ratio theory, even if their control is incomplete and a large part of the variation among colonies has other causes.
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