ArticlePloS one2018
Loci under selection and markers associated with host plant and host-related strains shape the genetic structure of Brazilian populations of Spodoptera frugiperda (Lepidoptera, Noctuidae).
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 29 citations in OpenAlex.
- A New Actinote Hübner (Lepidoptera: Nymphalidae: Heliconiinae: Acraeini) from Northeastern Brazil.Neotropical entomology · 2025Article
- Population genetic structure and demographic of Spodoptera eridania (Lepidoptera: Noctuidae), an emerging soybean pest in Brazil.Journal of insect science (Online) · 2025Article
- Genetic variation associated with increased lambda-cyhalothrin resistance in Spodoptera frugiperda (Lepidoptera: Noctuidae) in West Africa.Scientific reports · 2025Article
- Genetic diversity, population structure and ecological niche modeling of Thyrinteina arnobia (Lepidoptera: Geometridae), a native Eucalyptus pest in Brazil.Scientific reports · 2024Article
- Montane diversification as a mechanism of speciation in neotropical butterflies.Ecology and evolution · 2024Article
- Diversification linked to larval host plant in the butterfly Eumedonia eumedon.Molecular ecology · 2023Article
- Population genomics of fall armyworm by genotyping-by-sequencing: Implications for pest management.PloS one · 2023Article
- Population genetic structure of the carrot weevil (Evolutionary applications · 2022Article
- Adaptability and Comparative Biology of Fall Armyworm on Maize and Perennial Forage Species and Relation with Chemical-Bromatological Composition.Neotropical entomology · 2020Article
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10 authors at 4 institutions in 1 country.
Funding
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Abstract
We applied the ddRAD genotyping-by-sequencing technique to investigate the genetic distinctiveness of Brazilian populations of the noctuid moth Spodoptera frugiperda, the fall armyworm (FAW), and the role of host-plant association as a source of genetic diversification. By strain-genotyping all field-collected individuals we found that populations collected from corn were composed primarily of corn-strain individuals, while the population collected from rice was composed almost entirely of rice-strain individuals. Outlier analyses indicated 1,184 loci putatively under selection (ca. 15% of the total) related to 194 different Gene Ontologies (GOs); the most numerous GOs were nucleotide binding, ATP binding, metal-ion binding and nucleic-acid binding. The association analyses indicated 326 loci associated with the host plant, and 216 loci associated with the individual strain, including functions related to Bacillus thuringiensis and insecticide resistance. The genetic-structure analyses indicated a moderate level of differentiation among all populations, and lower genetic structure among populations collected exclusively from corn, which suggests that the population collected from rice has a strong influence on the overall genetic structure. Populations of S. frugiperda are structured partially due to the host plant, and pairs of populations using the same host plant are more genetically similar than pairs using different hosts. Loci putatively under selection are the main factors responsible for the genetic structure of these populations, which indicates that adaptive selection on important traits, including the response to control tactics, is acting in the genetic differentiation of FAW populations in Brazil.
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