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Parasites as probes for biodiversity.

S L Gardner1, M L Campbell

  • 1Department of Nematology, University of California, Davis 95616-8668.

The Journal of Parasitology
|August 1, 1992
PubMed
Summary

Ancient host-parasite connections between marsupials and Linstowia cestodes reveal coevolutionary patterns. This ancient community, dating back 60-70 million years, highlights the Yungas of Bolivia as a critical biopreserve area.

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Area of Science:

  • Parasitology
  • Evolutionary Biology
  • Ecology

Background:

  • Cestodes of the genus Linstowia are parasites of marsupials, exhibiting significant coevolutionary patterns.
  • These host-parasite relationships suggest ancient historical-ecological connections, potentially linked to Gondwanaland's breakup.
  • The estimated age of this host-parasite community is between 60 and 70 million years.

Purpose of the Study:

  • To investigate the coevolutionary history of Linstowia cestodes and their marsupial hosts.
  • To estimate the age of this host-parasite community based on geological and phylogenetic data.
  • To advocate for the recognition of the Yungas of Bolivia as a vital biopreserve area.

Main Methods:

  • Phylogenetic analysis of cestodes.
  • Survey of parasitic mammals in Bolivia.
  • Correlation of parasite distribution with continental drift events.

Main Results:

  • Evidence of ancient host-parasite associations dating back 60-70 million years.
  • Identification of coevolutionary patterns between Linstowia cestodes and marsupials.
  • The Yungas of Bolivia identified as a region harboring an ancient ecological community.

Conclusions:

  • The Linstowia-marsupial host-parasite system provides insights into Gondwanan biogeography and coevolution.
  • The Yungas of Bolivia represents a unique and ancient ecosystem deserving of biopreserve status.
  • Conservation planning in the Neotropics should consider regions with deep evolutionary histories.

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