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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 104, No. 1, 2009, pp. 106-111
Bioline Code: oc09016
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 104, No. 1, 2009, pp. 106-111

 en The life history of Pygidiopsis macrostomum check for this species in other resources Travassos, 1928 (Digenea: Heterophyidae)
Simões, Susana Balmant Emerique; Barbosa, Helene Santos & Santos, Cláudia Portes

Abstract

The life history of the trematode Pygidiopsis macrostomum check for this species in other resources Travassos, 1928 is described for the first time. Rediae and cercariae were obtained from naturally infected snails Heleobia australis check for this species in other resources (d´Orbigny), a new first intermediate host. Metacercariae were found encysted in the mesenteries of three naturally infected guppies, Phalloptychus januarius check for this species in other resources (Hensel), Jenynsia multidentata check for this species in other resources (Jenyns) (new host records) and Poecilia vivipara check for this species in other resources Bloch and Schneider. Experimental infections were successfully completed in the intermediate hosts H. australis and Poe. vivipara reared in the laboratory and hamsters Mesocricetus auratus check for this species in other resources Waterhouse were utilised as a definitive host.

Keywords
Pygidiopsis macrostomum - Heterophyidae - Digenea - Heleobia australis - Poecilia vivipara - life cycle

 
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