Passive Dispersal of Four Species of Freshwater Leeches (Hirudinoidea) by Ducks

@inproceedings{Davies1982PassiveDO,
  title={Passive Dispersal of Four Species of Freshwater Leeches (Hirudinoidea) by Ducks},
  author={Ronald W. Davies and L. R. Linton and Frederick J. Wrona},
  year={1982}
}
The passive transfer by ducks of two parasitic sanguivorous species (Theromyzon rude and Placobdella papillifera) and two predatory species (Helobdella stagnalis and Nephelopsis obscura) of freshwater leeches was examined experimentally using both adults and cocoons. T. rude adults were transferred both in the nares, while feeding, and also on the duck's body. P. papillifera were transferred at a lower rate on the duck's body only, while H. stagnalis and N. obscura were not transported at all… CONTINUE READING

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