Centrocestus formosanus (Trematoda: Heterophyidae) in Melanoides tuberculata (Gastropoda: Thiaridae) from Vila do Abraão, Ilha Grande, Rio de Janeiro, Brazil.

摘要: Pleurolophocercous cercariae found in the invasive gastropod Melanoides tuberculata (Muller, 1774) collected a stream of Vila do Abraao, Ilha Grande, Angra dos Reis, Rio de Janeiro, Brazil were used for experimental infection that enabled identification heterophyid trematode Centrocestus formosanus (Nishigori, 1924). The parasite has been locality since 2007, after two years introduction M. tuberculata. Recently, from sample 483 specimens June 2013, 101 (21%) infected with parasite. potential environmental impacts caused by occurrence could be underestimated country, and actions to monitor control both mollusk are necessary.