Social evolution in a new environment: the case of introduced fire ants.

@article{Ross1996SocialEI,
  title={Social evolution in a new environment: the case of introduced fire ants.},
  author={Kenneth G. Ross and Edward L. Vargo and Laurent Keller},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1996},
  volume={93 7},
  pages={
          3021-5
        }
}
  • K. Ross, E. Vargo, L. Keller
  • Published 2 April 1996
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences of the United States of America
The inadvertent introduction of the fire ant Solenopsis invicta to the United States from South America provides the opportunity to study recent social evolution by comparing social organization in native and introduced populations. We report that several important elements of social organization in multiple-queen nests differ consistently and dramatically between ants in Argentina and the United States. Colonies in Argentina contain relatively few queens and they are close relatives, whereas… 
Experimental Conversion of Colony Social Organization in Fire Ants (Solenopsis invicta): Worker Genotype Manipulation in the Absence of Queen Effects
TLDR
The results support the conclusion that polygyny in S. invicta is induced by a minimum frequency of colony workers carrying the b allele, and confirm that its expression is independent of queen genotype or history, worker genotypes at genes not linked to Gp-9, and colony genetic diversity.
PLASTICITY IN QUEEN NUMBER AND SOCIAL STRUCTURE IN THE INVASIVE ARGENTINE ANT (LINEPITHEMA HUMILE)
  • K. Ingram
  • Biology, Medicine
    Evolution; international journal of organic evolution
  • 2002
TLDR
The variation in queen number, nestmate relatedness, and nest size along a gradient of time since colonization in an invading population of Argentine ants in Haleakala, Hawaii is described, suggesting that the social structure of Argentine ant populations is strongly influenced by ecological factors.
Colony social structure in native and invasive populations of the social wasp Vespula pensylvanica
TLDR
The differences in social structure observed in invasive V. pensylvanica parallel those in other, distantly related invasive social insects, suggesting that insect societies often develop similar social phenotypes upon introduction into new habitats.
The Colony Structure and Population Biology of Invasive Ants
TLDR
The population biology of invasive ants is reviewed, focusing on the role of sociality and colony structure in their success, and different hypotheses that have been proposed for the observed transitions in social structure of the two most well-studied ant invaders.
Queen recruitment in a multiple-queen population of the fire ant Solenopsis invicta
TLDR
Queen recruitment in this population of S. invicta appears to occur at random with respect to the number of older queens present within nests, suggesting that newly recruited queens represent a random sample of potential reproductive queens in the population.
Distribution of the Two Social Forms of the Fire Ant Solenopsis invicta (Hymenoptera: Formicidae) in the Native South American Range
TLDR
It is found that polygyny occurs in a mosaic pattern with respect to the more common monogyne (single queen) social form in the fire ant Solenopsis invicta Buren, a pattern superficially similar to that seen in the introduced range in the United States.
Behavioral and Genetic Differentiation Between Native and Introduced Populations of the Argentine Ant
TLDR
Results identify a possible mechanism for the widespread success of the Argentine ant in its introduced range by comparing the genetic diversity, behavior, and ecology of Argentine ants in their native range to introduced populations.
Effect of habitat saturation on the number and turnover of queens in the polygynous ant, Myrmica sulcinodis
TLDR
This study examines the social and genetic structure of colonies in the polygynous ant Myrmica sulcinodis and suggests that a special class of queen ‘floaters’ only stays ephemerally in the colonies, thus causing a substantial turnover of reproducing queens across years.
Extended family structure in the ant Formica paralugubris: the role of the breeding system
TLDR
It was estimated that about 99.8% of the reproducing queens and males originated from within the nest, or from a nearby nest, and contrast with the common view that unicoloniality is coupled with unrestricted gene flow among nests.
Supercolonial structure of invasive populations of the tawny crazy ant Nylanderia fulva in the US
TLDR
This study investigated the population genetics, colony structure and levels of aggression in the tawny crazy ant, Nylanderia fulva, which was recently introduced into the United States from South America and found that this species experienced a genetic bottleneck during its invasion lowering its genetic diversity by 60%.
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Ross et al
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