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Revista da Sociedade Brasileira de Medicina Tropical

versão impressa ISSN 0037-8682versão On-line ISSN 1678-9849

Resumo

OLIVEIRA-PEREIRA, Yrla Nívea  e  REBELO, José Manuel Macário. Species of Anopheles in Pinheiro municipality (Maranhão), endemic area of malaria. Rev. Soc. Bras. Med. Trop. [online]. 2000, vol.33, n.5, pp.443-450. ISSN 0037-8682.  http://dx.doi.org/10.1590/S0037-86822000000500006.

The Anophelae species of the municipal district of Pinheiro, Maranhão State, Brazil, were studied, considering their variety, relative abundance, seasonal fluctuation, preference by the peri and intra domiciles as well as the hours of hematophagism. The females were captured using human bait, on a monthly basis from May/1998 to April/1999, from 6 p.m. to 6 a.m. A total of 1,321 specimens of 10 species were captured, all belonging to the subgenus Nyssorhynchus. The most frequent species were A. argyritarsis (62%), A. darlingi (21.7%), A. albitarsis (4.5%), A. galvaoi (4.0%), A. triannulatus (3.1%) and A. evansae (2.8%). The species A. nuneztovari, A. braziliensis, A. rondoni and A. strodei together represented 1.9%. The anophelines occurred all year round, with no significant difference in the number of specimens captured between the rainy (51.7%) and dry season (48.3%). The frequency of the females in the peridomicile was significantly higher (p < 0.01) (82%), than in the intradomicile (18%), preferring to suck blood at dusk and in the first hours of the night.

Palavras-chave : Anopheles; Malaria; Lowland of Maranhão.

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