Geographic variation in a facultative mutualism: consequences for local arthropod composition and diversity

  title={Geographic variation in a facultative mutualism: consequences for local arthropod composition and diversity},
  author={Jennifer A. Rudgers and Amy M. Savage and Megan A R{\'u}a},
Geographic variation in the outcome of interspecific interactions may influence not only the evolutionary trajectories of species but also the structure of local communities. We investigated this community consequence of geographic variation for a facultative mutualism between ants and wild cotton (Gossypium thurberi). Ants consume wild cotton extrafloral nectar and can protect plants from herbivores. We chose three sites that differed in interaction outcome, including a mutualism (ants… CONTINUE READING


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