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The morphology and distribution of Eupolystoma species (Monogenoidea) in Africa, with a description of E. anterorchis sp. n. from Bufo pardalis at the Cape

Published online by Cambridge University Press:  05 June 2009

R. C. Tinsley
R. C. Tinsley
Affiliation:
Department of Zoology, Westfield College, London University, London NW3 7ST
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Abstract

A new species of polystomatid monogenean, Eupolystoma anterorchis sp. n. is described from the urinary bladder and kidneys of Bufo pardalis from the Cape Peninsula, Republic of South Africa. It is distinguished from other Eupolystoma species, and from all other species except one within the Polystomatidae, by the anterior pre-ovarian extension of a large proportion of the testis follicles. This and other morphological characteristics are incorporated into an amended generic diagnosis.

The morphology of E. alluaudi from Bufo regularis in West Africa is also described. The known range of this species is enlarged with new geographical records in the Cameroun and Ethiopia, and a new host record from Nectophrynoides malcolmi.

Material from each area shows that the eggs of Eupolystoma spp. complete development in utero and that all developmental stages of the parasite occur side by side within the same host individual. This represents a significant evolutionary departure from the pattern of transmission typical of Polystoma in most of the other anuran hosts.

Type
Research Papers
Information
Journal of Helminthology , Volume 52 , Issue 4 , December 1978 , pp. 291 - 302
Copyright
Copyright © Cambridge University Press 1978

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