Transmission of Leishmania in coffee plantations of Minas Gerais, Brazil

Memórias do Instituto Oswaldo Cruz

Bruce Alexander²  Emerson Barbosa De Oliveria¹  Emily Haigh²  Lourenço Leal De Almeida¹ 

[1] ,Fiocruz Centro de Pesquisas René Rachou Belo Horizonte MG ,Brasil

关键词: Leishmania;    Phlebotominae;    coffee;    Minas Gerais;    Brazil;   

DOI  :  10.1590/S0074-02762002000500005

来源: SciELO

【 摘 要 】

Transmission of Leishmania was studied in 27 coffee plantations in the Brazilian State of Minas Gerais. Eighteen females and six males (11.6% of the people tested), aged between 7-65 gave a positive response to the Montenegro skin test. Awareness of sand flies based on the ability of respondents to identify the insects using up to seven predetermined characteristics was significantly greater among inhabitants of houses occupied by at least one Mn+ve individual. Five species of phlebotomine sand fly, including three suspected Leishmania vectors, were collected within plantations under three different cultivation systems. Four of these species i.e., Lu. fischeri (Pinto 1926), Lu. migonei (França 1920), Lu. misionensis (Castro 1959) and Lutzomyia whitmani (Antunes & Coutinho 1939) were collected in an organic plantation and the last of these was also present in the other two plantation types. The remaining species, Lu. intermedia (Lutz & Neiva 1912), was collected in plantations under both the "adensado" and "convencional" systems. The results of this study indicate that transmission of Leishmania to man in coffee-growing areas of Minas Gerais may involve phlebotomine sand flies that inhabit plantations.

【 授权许可】

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