ArticlePloS one2014
Geographic variation in sexual attraction of Spodoptera frugiperda corn- and rice-strain males to pheromone lures.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed.
- Identification and characterization of two new markers for differentiating fall armyworm strains across the Western Hemisphere.PloS one · 2026Article
- Predicting the seasonal distribution of fall armyworm in North America using species distribution models.Pest management science · 2026Article
- Genetic Characterization and Mating Disruption inInsects · 2025Review
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- Genomic patterns of strain-specific genetic structure, linkage, and selection across fall armyworm populations.BMC genomics · 2025Article
- Two host-plant strains in the fall armyworm.Insect science · 2024Review
- Sex Pheromone Mediates Resource Partitioning BetweenEvolutionary applications · 2024Article
- Region-Specific Variation in the Electrophysiological Responses of Spodoptera frugiperda (Lepidoptera: Noctuidae) to Synthetic Sex Pheromone Compounds.Journal of chemical ecology · 2024Article
- Adaptive evolution of invasive fall armyworms to maize with potential involvement of Cytochrome P450 genes.BMC genomics · 2024Article
- Assessing fall armyworm (Frontiers in plant science · 2024Article
- Survival, Development, and Fecundity ofInsects · 2023Article
- Host-plant adaptation as a driver of incipient speciation in the fall armyworm (Spodoptera frugiperda).BMC ecology and evolution · 2022Article
- Genomic and transcriptomic analysis unveils population evolution and development of pesticide resistance in fall armyworm Spodoptera frugiperda.Protein & cell · 2022Article
- Patterns of genomic and allochronic strain divergence in the fall armyworm,Ecology and evolution · 2022Article
- Genetic diversity of the two-spotted stink bug Bathycoelia distincta (Pentatomidae) associated with macadamia orchards in South Africa.PloS one · 2022Article
- Transcriptome Analysis of Detoxification-Related Genes in Spodoptera frugiperda (Lepidoptera: Noctuidae).Journal of insect science (Online) · 2022Article
- Article
- Zea mays Volatiles that Influence Oviposition and Feeding Behaviors of Spodoptera frugiperda.Journal of chemical ecology · 2021Article
- Geographic variation in sexual communication in the cotton bollworm, Helicoverpa armigera.Pest management science · 2020Article
- The Fall ArmywormFrontiers in physiology · 2020Article
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Authors and funding
10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The corn- and rice-strains of Spodoptera frugiperda exhibit several genetic and behavioral differences and appear to be undergoing ecological speciation in sympatry. Previous studies reported conflicting results when investigating male attraction to pheromone lures in different regions, but this could have been due to inter-strain and/or geographic differences. Therefore, we investigated whether corn- and rice-strain males differed in their response to different synthetic pheromone blends in different regions in North America, the Caribbean and South America. All trapped males were strain-typed by two strain-specific mitochondrial DNA markers. In the first experiment, we found a nearly similar response of corn- and rice-strain males to two different 4-component blends, resembling the corn- and rice-strain female blend we previously described from females in Florida. This response showed some geographic variation in fields in Canada, North Carolina, Florida, Puerto Rico, and South America (Peru, Argentina). In dose-response experiments with the critical secondary sex pheromone component (Z)-7-dodecenyl acetate (Z7-12:OAc), we found some strain-specific differences in male attraction. While the response to Z7-12:OAc varied geographically in the corn-strain, rice-strain males showed almost no variation. We also found that the minor compound (Z)-11-hexadecenyl acetate (Z11-16:OAc) did not increase attraction of both strains in Florida and of corn-strain males in Peru. In a fourth experiment, where we added the stereo-isomer of the critical sex pheromone component, (E)-7-dodecenyl acetate, to the major pheromone component (Z)-9-tetradecenyl acetate (Z9-14:OAc), we found that this compound was attractive to males in North Carolina, but not to males in Peru. Overall, our results suggest that both strains show rather geographic than strain-specific differences in their response to pheromone lures, and that regional sexual communication differences might cause geographic differentiation between populations.
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