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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 101, No. s1, 2006, pp. 239-245
Bioline Code: oc06195
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 101, No. s1, 2006, pp. 239-245

 en Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: VI Noroeste Fluminense Mesoregion
Silvana C Thiengo; Aline C Mattos; Sonia B Santos & Monica A Fernandez


In this paper, the last of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Noroeste Fluminense Mesoregion from 2002 to 2005 are presented and revealed the occurrence of 20 species: Antillorbis nordestensis check for this species in other resources ; Biomphalaria glabrata check for this species in other resources ; B. straminea; B. tenagophila; Drepanotrema anatinum; D. cimex; D. depressissimum; D. lucidum; Ferrissia sp.; Gundlachia ticaga; Gundlachia sp.; Heleobia sp.; Idiopyrgus sp.; Lymnaea columella; Melanoides tuberculatus; Physa acuta; P. marmorata; Plesiophysa guadeloupensis; Pomacea lineata; and Pomacea sp. Concerning the snail hosts of schistosomiasis the three natural vectors were identified and, although no specimens were found harbouring larval forms of Schistosoma mansoni check for this species in other resources , different kinds of cercariae had been observed.

freshwater snails - schistosomiasis mansoni - cercariae - Rio de Janeiro - Brazil

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