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Cercaria diplostomi phoxini (Faust), a furcocercaria which develops into Diplostomulum phoxini in the brain of the minnow

Published online by Cambridge University Press:  06 April 2009

Gwendolen Rees
Gwendolen Rees
Affiliation:
Department of Zoology, University College of Wales, Aberystwyth
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Extract

1. A fork-tailed cercaria Cercaria diplostomi phoxini (Faust) has been found to develop in sporocysts in 3·9 % of Lymnaea pereger var. ovata (Drapanaud) in Fron Goch Pool near Aberystwyth.

2. The cercaria is described in detail. The arrangement of spines on the body is characteristic and there is a double row of seventy-two spines on the ventral sucker. The flame cell formula is given.

3. The cercaria is compared with seven closely related types.

4. Infestation experiments show that Cercaria diplostomi phoxini develops into Diplostomulum phoxini in the brain of the minnow.

5. The early stage of infestation of the brain of the minnow is described and compared with an infestation of long standing.

Type
Research Article
Information
Parasitology , Volume 47 , Issue 1-2 , June 1957 , pp. 126 - 137
Copyright
Copyright © Cambridge University Press 1957

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