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Observations on a new cercaria developing in Melanopsis praemorsa in Israel

Published online by Cambridge University Press:  06 April 2009

H. Ullman
Affiliation:
Department of Parasitology, Hebrew University, Jerusalem

Extract

1. An account on the cercariae found in Melanopsis praemorsa common in the River Yarkon (Israel) is given.

2. A new species of Cercaria of the Pleurolophocerca group, Cercaria orospinosa, is described.

3. The development of C. orospinosa to the stage of metacercaria in the tadpole of Bufo viridis shows its affinity to the subfamily Cryptogoniminae (Hetero-phydae).

4. An artificial genus Velocercaria is proposed to comprise cercariae which have common morphology with Cercaria orospinosa and are characterized by the same type of tail-fins.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1954

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