ArticleProceedings. Biological sciences2008
Estimation of the number of founders of an invasive pest insect population: the fire ant Solenopsis invicta in the USA.
Article in Proceedings. Biological sciences, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 65 citations in OpenAlex.
- Analysis of the human health threat caused by the red imported fire ant in mainland China.PloS one · 2026Article
- Biased social chromosome transmission in males of the fire ant Solenopsis invicta.G3 (Bethesda, Md.) · 2025Article
- Serial founder effects slow range expansion in an invasive social insect.Nature communications · 2024Article
- Genome-Wide Analysis of the Odorant Receptor Gene Family inInternational journal of molecular sciences · 2023Article
- Population genetic structure of a recent insect invasion: a gall midge, Asynapta groverae (Diptera: Cecidomyiidae) in South Korea since the first outbreak in 2008.Scientific reports · 2023Article
- Fire ants: What do rural and urban areas show us about occurrence, diversity, and ancestral state reconstruction?Genetics and molecular biology · 2022Article
- Article
- The Invasion of the Dwarf Honeybee,Insects · 2019Article
- Genetic comparisons of fall armyworm populations from 11 countries spanning sub-Saharan Africa provide insights into strain composition and migratory behaviors.Scientific reports · 2019Article
- Speciation and hybridization in invasive fire ants.BMC evolutionary biology · 2019Article
- Unexpected patterns of segregation distortion at a selfish supergene in the fire ant Solenopsis invicta.BMC genetics · 2018Article
- Evolution of Olfactory Functions on the Fire Ant Social Chromosome.Genome biology and evolution · 2018Article
- The fire ant social chromosome supergene variant Sb shows low diversity but high divergence from SB.Molecular ecology · 2017Article
- Small population size limits reproduction in an invasive grass through both demography and genetics.Oecologia · 2013Article
- Small founding number and low genetic diversity in an introduced species exhibiting limited invasion success (speckled dace, Rhinichthys osculus).Ecology and evolution · 2011Article
- The genome of the fire ant Solenopsis invicta.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Current status of a model system: the gene Gp-9 and its association with social organization in fire ants.PloS one · 2009Article
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Authors and funding
2 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Determination of the number of founders responsible for the establishment of invasive populations is important for developing biologically based management practices, predicting the invasive potential of species, and making inferences about ecological and evolutionary processes. The fire ant Solenopsis invicta is a major invasive pest insect first introduced into the USA from its native South American range in the mid-1930s. We use data from diverse genetic markers surveyed in the source population and the USA to estimate the number of founders of this introduced population. Data from different classes of nuclear markers (microsatellites, allozymes, sex-determination locus) and mitochondrial DNA are largely congruent in suggesting that 9-20 unrelated mated queens comprised the initial founder group to colonize the USA at Mobile, Alabama. Estimates of founder group size based on expanded samples from throughout the southern USA were marginally higher than this, consistent with the hypothesis of one or more secondary introductions of the ant into the USA. The rapid spread and massive population build-up of introduced S. invicta occurred despite the loss of substantial genetic variation associated with the relatively small invasive propagule size, a pattern especially surprising in light of the substantial genetic load imposed by the loss of variation at the sex-determination locus.
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