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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.10 no.3 Curitiba  1993

https://doi.org/10.1590/S0101-81751993000300008 

Estádios evolutivos de tripanossomas de Hipostomus punctatus Valenciennes (Osteichthyes, Loricariidae) em infecção natural de Batracobdella gemmata Blanchard (Hirudinea, Glossiphoniidae)

 

Evolutive stages of tripanosomes of Hipostomus punctatus Valenciennes (Osteichthyes, Loricariidae) in natural infection of Batracobdella gemmata Blanchard (Hirudinea, Glossiphoniidae)

 

 

Marta D'AgostoI; Nicolau Maués da Serra-FreireII

IDepartamento de Zoologia, Universidade Federal de Juiz de Fora, 36036-300 Juiz de Fora, Minas Gerais, Brasil
IIDepartamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, 23851-970 Itaguaí, Rio de Janeiro, Brasil

 

 


ABSTRACT

Seventeen leeches obtained from armoured catfish (Hypostomus punclatus Valenciennes, 1840) infected with Trypanosoma spp. were examined. It was observed the presence of tripomastigotes, epimastigotes and amastigotes forms as well as dividing forms in the proboscis and in the stomach, different from the ones found in the vertebrate host as regards the morfometric features and developing forms. The examination of the contents of rectum did not show tripanosomes. These facts seem to demonstrate that Batracobdella gemmata (Blanchard, 1900) is an invertebrate host of trypanosomes and the transmission is done by means of inoculation.

Key words: Osteichthyes, Loricariidae, Hirudinea, Glossiphoniidae, Tripanosomes


 

 

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Recebido em 30.X.1991; aceito em 25.XI.1993.

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