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Interactions of the cysticercoids of Hymenolepis diminuta and Raillietina cesticillus in their intermediate host, Tribolium confusum

Published online by Cambridge University Press:  06 April 2009

D. M. Gordon  and
P. J. Whitfield
D. M. Gordon
Affiliation:
Department of Zoology, King's College, University of London, London WC2R 2LS
P. J. Whitfield
Affiliation:
Department of Zoology, King's College, University of London, London WC2R 2LS
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Extract

This study was based on the experimental exposure of beetles to homologous and heterologous infections of Hymenolepis diminuta and Raillietina cesticillus. The results demonstrated that, for both species over the range of parasite densities employed, the presence of a primary infection had no effect on the establishment success of an homologous challenge infection. The establishment success of R. cesticillus cysticercoids was not affected by the presence of an H. diminuta infection. The existence of an R. cesticillus infection, however, severely reduced the establishment success of an H. diminuta infection. The reduction in H. diminuta establishment was greatest in R. cesticillus infections less than 10 days old. The plausibility of some of the mechanisms that are potentially responsible for the reduction in H. diminuta establishment success is discussed, as is the possible ecological significance of these results.

Type
Research Article
Information
Parasitology , Volume 90 , Issue 3 , June 1985 , pp. 421 - 431
Copyright
Copyright © Cambridge University Press 1985

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