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Revista da Sociedade Brasileira de Medicina Tropical

Print version ISSN 0037-8682On-line version ISSN 1678-9849


SOUZA, Marco Antônio Andrade de; BARBOSA, Verônica Santos; WANDERLEI, Tereza Neuma Guedes  and  BARBOSA, Constança Simões. Temporary and permanent breeding sites for Biomphalaria in Jaboatão dos Guararapes, PE. Rev. Soc. Bras. Med. Trop. [online]. 2008, vol.41, n.3, pp.252-256. ISSN 0037-8682.

A malacological survey of permanent and temporary breeding sites was conducted in the Piedade neighborhood of Jaboatão dos Guararapes, Pernambuco, between November 2006 and November 2007, with the aim of determining the malacological fauna at this locality, along with the potential for Schistosomiasis mansoni transmission. In addition to Biomphalaria glabrata (Say, 1818), the molluscs Drepanotrema cimex (Moricand, 1837), Pomacea sp and Melanoides tuberculatus (Muller, 1774) were collected. Among the specimens of Biomphalaria glabrata that were collected, 1,490 were found alive, and 74 (5%) were positive for Schistosoma mansoni. The largest numbers of molluscs collected, and all of the specimens that were positive for Schistosoma mansoni, were collected during the annual rainy season. The presence of larvae of other trematodes infecting the Biomphalaria glabrata molluscs was also observed. These trematodes were from the families Strigeidae and Diplostomatidae and, at first sight, they presented morphology that could lead to confusion with Schistosoma mansoni cercariae. Thus, knowledge of these trematodes becomes essential for the differential diagnosis of the etiological agent for schistosomiasis.

Keywords : Schistosomiasis mansoni; Molluscs; Jaboatão dos Guararapes; Pernambuco.

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