Genarchella tropica (Manter, 1936) Szidat 1954 Derogenes tropicus Manter, 1936 Genarchella szidati (Yamaguti, 1971) Adult Trematodes (Platyhelminthes) of freshwater fishes from Argentina: a checklist Margarita Ostrowski de Núñez Nathalia J. Arredondo Alicia A. Gil de Pertierra Revue suisse de Zoologie 2017 2017-03-31 124 1 91 113 3FKGQ Travassos Travassos [910,1235,1492,1517] Trematoda Derogenidae Genarchella Animalia Plagiorchiida 8 99 Platyhelminthes species parva    Genarchella tropica(Manter, 1936) Szidat 1954 nec  Derogenes tropicusManter, 1936   Genarchella szidati(Yamaguti, 1971). For more synonyms see Lunaschi (1990)and Kohn et al.(2007).   Material deposited:CHIOC (type material), MACN- Pa 604, 605 (new voucher material).   Hosts:  Oligosarcussp. (=  Acestrorhamphussp.) (type host, Brazil),  Oligosarcus jenynsii,  O. hepsetus(Cuvier),  Charax gibbosus(Linnaeus)(=  Cynopotamus gibbosusValenciennes) ( Characidae: Characidae),  Salminus brasiliensis,  Triportheus paranensis,  Astyanaxsp.,  A. bimaculatus[=  Poeciloristhys bimaculatus(Linnaeus)],  A. eigenmaniorum(Cope),  A. fasciatus,  Cheirodon interruptusJenyns,  Hyphessobrycon meridionalisRinguelet, Miquelarena & Menni,  Jenynsia multidentata[=  J. lineata(Jenyns)] ( Cyprinodontiformes: Anablepidae),  Ageneiosus militaris*,  Auchenipterus nigripinnis,  A. osteomystax(=  A. nuchalis),  Leporinus obtusidens,  Loricariichthys anus(Valenciennes)(=  Loricaria anusValenciennes) ( Siluriformes: Loricariidae),  Luciopimelodus pati,  Pimelodus albicans,  P. argenteus,  P. maculatus,  P. ornatusKner,  Pseudoplatystoma corruscans(Spix & Agassiz)*,  Pimelodella gracilis,  Pimelodella mucosaEigenmann & Ward(=  Pimelodella howesiFowler),  Rhamdia quelen( = R. sapo).   Localities:Emas Pirassununga, São Paulo State, Brazil (type locality); Paraná River (Puerto Italia), Corrientes City, Corrientes Province; Colastiné River** (tributary of Paraná River), Santa Fe Province; Saladita Lagoon (Avellaneda), Cantera (quarry) Aprilito (Ensenada), Doña Flora Stream (Ensenada), Miguelín Stream (Ensenada), Cantera (quarry) Los Talas (Berisso), Chascomús and Chis-Chis Lagoons (Chascomús) and Luján River (Luján), Buenos Aires Province; La Plata River in front of Buenos Aires City.   Site of infection:Stomach.   References: Szidat (1954), Hamann (1989), Lunaschi (1990), Gil de Pertierra & Ostrowski de Núñez (1995), Drago (1997), Arredondo (2013).  Remarks:New hosts and locality records. Referred to as  Genarchella szidatiYamaguti, 1971by Hamann (1989). Hamann (1989)indicated that the records of  Genarchella parvain  Auchenipterus nuchalis,  Jenynsia lineataand  Pimelodella howesi, in Argentina probably correspond to  A. osteomystax,  J. multidentataand  P. mucosa, respectively (see Liotta, 2005; Aguilera & Azpelicueta, 2015; Froese & Pauly, 2016).