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Revista de Saúde Pública

versão impressa ISSN 0034-8910versão On-line ISSN 1518-8787


TEODORO, Ueslei et al. Culicidae of Itaipu lake, Paraná River, southern Brazil. Rev. Saúde Pública [online]. 1995, vol.29, n.1, pp.6-14. ISSN 1518-8787.

Mosquito catches were made in Guaíra county, Paraná State, southern Brazil, in the vicinity of Itaipu dam, from January to December 1991. The catches were made with a Shannon light trap and human bait. The Shannon light trap was installed beside the highway that used, formerly, to lead to the Sete Quedas cataracts and the human bait was used in the urban area. Data about the Culicidae fauna were obtained as to predominant species, seasonal variation, time of highest density and affinity with human host. Forty-one species were identified as belonging to the Anopheles, Aedes, Aedomyia, Coquillettidia, Culex, Mansonia, Psorophora and Uranotaenia genera. With the Shannon light trap 21,280 mosquitoes were caught and with human bait 1,010. In the catches made with the Shannon light trap, Coquillettidia shannoni, Mansonia humeralis, Anopheles trianulatus, Aedes scapularis and Anopheles albitarsis accounted for 82.78% of all mosquitoes taken. In the catches made on human bait the highest densities of these mosquitoes occurred between 7 p.m. and 9 p.m. Aedes scapularis, Mansonia humeralis and Anopheles albitarsis represented 91,21% of all mosquitoes caugth with human bait. The highest densities of Aedes scapularis, on human bait, were found between 8 p.m. and 9 p.m. and those of Mansonia humeralis and Anopheles albitarsis between 6 p.m. and 7 p.m. Among the genera caught with the Shannon ligth trap Coquillettidia shannoni, Mansonia humeralis and Anopheles albitarsis were most frequent in April, Anopheles triannulatus in January and Aedes scapularis in February.

Palavras-chave : Culicidae; Vector ecology.

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