Queen Dispersal Strategies in the Multiple‐Queen Form of the Fire Ant Solenopsis invicta

@article{Deheer1999QueenDS,
  title={Queen Dispersal Strategies in the Multiple‐Queen Form of the Fire Ant Solenopsis invicta},
  author={Christopher J. Deheer and Michael A. D. Goodisman and Kenneth G. Ross},
  journal={The American Naturalist},
  year={1999},
  volume={153},
  pages={660 - 675}
}
Newly produced queens in the multiple‐queen (polygyne) form of the fire ant Solenopsis invicta show dramatic variation in dispersal patterns, and this variation is influenced by genotypic variation at a single locus associated with the genetic marker Gp‐9. Heavy, homozygous Gp‐9BB queens exhibit the highest vagility among polygyne queens and are strongly attracted to the open, disturbed‐habitat patches that characteristically attract queens of the single‐queen (monogyne) form (all of which… Expand
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Unusual Behavior of Polygyne Fire Ant Queens on Nuptial Flights
TLDR
Previously undescribed behavior of fire ant queens on their nuptial flights is reported, and it is suggested that the flying queens are sampling the local environment in order to select a suitable landing site that would contain established polygyne nests into which the queens may be adopted as new reproductives. Expand
Selective Male Mortality in the Red Imported Fire Ant, Solenopsis invicta
TLDR
The bb genotype, rather than an obligate, developmental lethal, was present in some queens and common in alates, workers, and brood, suggesting some frequency of multiple mating in polygyne populations of Solenopsis invicta. Expand
Simple inheritance, complex regulation: Supergene‐mediated fire ant queen polymorphism
TLDR
The distinctive supergene‐associated gene expression trajectories recorded at the onset of a queen’s reproductive life expand the known record of relevant molecular correlates of a complex social polymorphism and point to putative genetic factors underpinning the alternate social syndromes. Expand
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. Expand
A comparison of the colony-founding potential of queens from single- and multiple-queen colonies of the fire antSolenopsis invicta
TLDR
Results are concordant with the growing body of work that implicates a simply inherited genetic polymorphism for the control of a complex social trait in this ant, and they indicate that the modes of reproduction in polygyne fire ants may show considerable diversity. Expand
RESTRICTED EFFECTIVE QUEEN DISPERSAL AT A MICROGEOGRAPHIC SCALE IN POLYGYNOUS POPULATIONS OF THE ANT FORMICA EXSECTA
TLDR
Investigation of the microgeographic genetic structure of mitochondrial haplotypes in polygynous populations of the ant Formica exsecta shows that effective queen dispersal is extremely restricted even at a small geographical scale, consistent with the idea that ecological constraints are an important selective force leading to the evolution and maintenance of polygyny. Expand
Population Genetics of the Invasive Fire Ant Solenopsis invicta (Hymenoptera: Formicidae) in the United States
TLDR
Bayesian analyses showed that study populations most distant from the claimed site of entry, Mobile, AL, have diverged most from the hypothetical founder population, consistent with an invasion scenario in which the ants spread outward from Mobile through repeated subfounder events. Expand
A New Method for Distinguishing Colony Social Forms of the Fire Ant, Solenopsis invicta
TLDR
New molecular assays consistently and accurately identify the variable nucleotides at all three sites characteristic of the B-like and b-like Gp-9 allele classes, allowing for accurate determination of colony social form in the fire ant Solenopsis invicta Buren. Expand
Genetic and morphological variation over space and time in the invasive fire ant Solenopsis invicta
Social insects are among the most successful and damaging of invasive taxa. We studied spatial and temporal variation in two traits, colony genetic structure and worker mass, associated with social… Expand
A genetic component to size in queens of the ant, Formica truncorum
TLDR
The first evidence of an additive genetic component to queen size in ants is presented, using maternal half sib analysis, and size variation among queens was greater in colonies headed by a doubly mated queen in one of the study years, but not in the other. Expand
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