Convergent evolution of chemical defense in poison frogs and arthropod prey between Madagascar and the Neotropics.

@article{Clark2005ConvergentEO,
  title={Convergent evolution of chemical defense in poison frogs and arthropod prey between Madagascar and the Neotropics.},
  author={V. C. Clark and C. Raxworthy and V. Rakotomalala and P. Sierwald and B. Fisher},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2005},
  volume={102 33},
  pages={
          11617-22
        }
}
With few exceptions, aposematically colored poison frogs sequester defensive alkaloids, unchanged, from dietary arthropods. In the Neotropics, myrmicine and formicine ants and the siphonotid millipede Rhinotus purpureus are dietary sources for alkaloids in dendrobatid poison frogs, yet the arthropod sources for Mantella poison frogs in Madagascar remained unknown. We report GC-MS analyses of extracts of arthropods and microsympatric Malagasy poison frogs (Mantella) collected from Ranomafana… Expand
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