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- W987734449 abstract "Individuals vary within a species in many ecologically important ways, but the causes and consequences of such variation are often poorly understood. Foraging behavior is among the most profitable and risky activities in which organisms engage and is expected to be under strong selection. Among social insects there is evidence that within-colony variation in traits such as foraging behavior can increase colony fitness, but variation between colonies and the potential consequences of such variation are poorly documented. In this study, we tested natural populations of the red imported fire ant, Solenopsis invicta, for the existence of colony and regional variation in foraging behavior and tested the persistence of this variation over time and across foraging habitats. We also reared single-lineage colonies in standardized environments to explore the contribution of colony lineage. Fire ants from natural populations exhibited significant and persistent colony and regional-level variation in foraging behaviors such as extra-nest activity, exploration, and discovery of and recruitment to resources. Moreover, colony-level variation in extra-nest activity was significantly correlated with colony growth, suggesting that this variation has fitness consequences. Lineage of the colony had a significant effect on extra-nest activity and exploratory activity and explained approximately half of the variation observed in foraging behaviors, suggesting a heritable component to colony-level variation in behavior." @default.
- W987734449 created "2016-06-24" @default.
- W987734449 creator A5018480369 @default.
- W987734449 creator A5021765381 @default.
- W987734449 creator A5032435223 @default.
- W987734449 date "2015-07-21" @default.
- W987734449 modified "2023-10-17" @default.
- W987734449 title "Intraspecific Variation among Social Insect Colonies: Persistent Regional and Colony-Level Differences in Fire Ant Foraging Behavior" @default.
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- W987734449 doi "https://doi.org/10.1371/journal.pone.0133868" @default.
- W987734449 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4510567" @default.
- W987734449 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/26197456" @default.
- W987734449 hasPublicationYear "2015" @default.
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