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The life cycle and transmission dynamics of the larval stages of Hypoderaeum conoideum

Published online by Cambridge University Press:  12 April 2024

C. Muñoz-Antolí ,
R. Toledo  and
J.G. Esteban
C. Muñoz-Antolí
Affiliation:
Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
R. Toledo
Affiliation:
Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
J.G. Esteban*
Affiliation:
Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
*
*Author for correspondence. Fax: 34 963864769 E-mail: Jguillermo. Esteban@uv.es
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Abstract

The morphology of the different larval stages and life cycle of Hypoderaeum conoideum (Trematoda: Echinostomatidae) are described. The freshwater snail species Lymnaea peregra (Gastropoda: Lymnaeidae) serves as the natural first intermediate host and this and L. corvus serve as experimental first intermediate hosts. These and other freshwater snails, such as Physella acuta and Gyraulus chinensis, in turn serve as second intermediate hosts. Adult worms were obtained from chicks and ducks, but not from rats, mice and golden hamsters. The morphology of the larval stages is compared with previous work on H. conoideum. Several aspects of the biology of the life history stages are described with emphasis on the transmission dynamics of the free-living stages. Differential suitability of the snail species that may act as first and/or second intermediate hosts is studied and discussed.

Type
Research Article
Information
Journal of Helminthology , Volume 74 , Issue 2 , June 2000 , pp. 165 - 172
Copyright
Copyright © Cambridge University Press 2000

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