Better colony performance, not natural enemy release, explains numerical dominance of the exotic Polistes dominula wasp over a native congener in South Africa

@article{Roets2018BetterCP,
  title={Better colony performance, not natural enemy release, explains numerical dominance of the exotic Polistes dominula wasp over a native congener in South Africa},
  author={Francois Roets and P. C. Benad{\'e} and Michael John Samways and Ruan Veldtman},
  journal={Biological Invasions},
  year={2018},
  volume={21},
  pages={925-933}
}
The European paper wasp Polistes dominula has invaded many parts of the globe and often displaces similar native species. Factors contributing to this remain unclear but may include longer seasonal activity period, natural enemy release, greater colony productivity and smaller body size. Since its discovery in South Africa in 2008, the local abundance of P. dominula has increased greatly. In invaded habitats, it is now much more common than the native P. marginalis. Here we determine some of… 
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