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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.22 no.4 Manaus Oct./Dec. 1992

http://dx.doi.org/10.1590/1809-43921992224608 

ZOOLOGIA

Bacciger pellonae n. sp. (Trematoda, Fellodistornidae) from a freshwater fish, Pellona castelnaeana Valenciennes of Rondônia State, Brazil

Vernon E. Thatcher1 

1Departamento de Biologia Aquática, Instituto Nacional de Pesquisas da Amazônia Caixa Postal 478,69011-970 - Manaus, AM, Brazil


ABSTRACT

Bacciger pellonae n. ep. (Trematoda, Fellodistomidae) is described from the intestinal tract of a freshwater fish, Pellona castelnaeana Valenciennes, from the Brazilian state of Rondônia. The new species is similar to the type species of the genus, B. bacciger (Rudolphi, 1819) Nicoli, 1914, but differs from it in having a post-testicular, lobate ovary, intertesticular ceca and an acetabulum that is smaller than the genus to be reported from South America and the first from freshwater.

Key words: Trematode; Fellodi stomidae; fish parasite; Rondônia; Brazil; Amazonia

RESUMO

Bacciger pellonae n. sp. (Trematola, Fellodistomidae) é descrito do trato intestinal de um peixe de água doce, Pellona castelnaeana Valenciennes, do estado de Rondônia. A nova espécie e semelhante a espécie tipo B. bacciger (Rudolphi, 1819) Nicoli, 1914, mas se distingue por ter um ovário lobado e pós-testicular, cecos intertesticulares e acetábulo menor que a ventosa oral. A nova espécie é o primeiro representante do gênero a ser encontrado na América do Sul e o primeiro de água doce.

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Creative Commons License This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.