title: Report of Didymocystis wedli Ariola, 1902 (Digenea; Didymozoidae) from Thunnus albacares in Brazil.
abstract: Didymocystis wedli a parasite from the gills of Thunnus albacares from the coast of the State of Rio de Janeiro, is described by use of light and scanning electron microscopy. This is the first report of this species in Brazil and South America. New data are presented on the surface topography as demonstrated by scanning electron microscopy.
authors.affiliation: Laboratório de Helmintos Parasitos de Peixes, Departamento de Helmintologia, Instituto Oswaldo Cruz-Fiocruz, 21045-900 Rio de Janeiro, RJ, Brasil. annakohn@ioc.fiocruz.br
authors.forename: A
authors.initials: A
authors.lastname: Kohn
authors.forename: A
authors.initials: A
authors.lastname: Santos
authors.forename: M F
authors.initials: MF
authors.lastname: Baptista-Farias
mesh_terms: D000818:Animals; D001938:Brazil; D008855:Microscopy, Electron, Scanning; D014200:Trematoda / Q000648:ultrastructure*; D014413:Tuna / Q000469:parasitology*