Phlebotomine fauna (Diptera: Psychodidae) in a campina reserve in the State of Amazonas, and its epidemiological importance

In Brazil, the largest diversity of phlebotomines is found in the Amazon region, particularly in undisturbed terra-firma forest. However, the phlebotomine fauna in other ecosystems of this region is still not well known. In order to investigate the phlebotomine fauna of another Amazon ecosystem, col...

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Bibliographic Details
Published in:Revista da Sociedade Brasileira de Medicina Tropical 2010-01, Vol.43 (1), p.78-81
Main Authors: Silva, Plínio Eudson Santos da, Freitas, Rui Alves de, Silva, Dílvia Ferreira da, Alencar, Ronildo Baiatone
Format: Article
Language:Portuguese
Subjects:
Animals
Brazil
Ecosystem
Ecosystems
Fauna
Female
Insect Vectors - classification
Leishmaniasis - transmission
Male
Population Density
Population Dynamics
Psychodidae - classification
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Summary:In Brazil, the largest diversity of phlebotomines is found in the Amazon region, particularly in undisturbed terra-firma forest. However, the phlebotomine fauna in other ecosystems of this region is still not well known. In order to investigate the phlebotomine fauna of another Amazon ecosystem, collections were made using CDC light traps in the campina/campinarana ecosystems in the periurban zone of the city of Manaus. Eight hundred and fourteen phlebotomines of 26 species were captured, of which the most abundant were: Lutzomyia flaviscutellata (64.5%); Lutzomyia georgii (14%); Lutzomyia olmeca nociva (8.1%); Lutzomyia furcata (3.2%); Lutzomyia monstruosa (1.3%); Lutzomyia umbratilis (1.1%); and others (7.8%). The campina/campinarana ecosystems showed great epidemiological importance because of the high abundance of Lutzomyia flaviscutellata and Lutzomyia olmeca nociva, which are both vectors of Leishmania (Leishmania) amazonensis. Based on this information, it will be possible to outline goals for parasitological studies and raise awareness among researchers and students who are constantly exposed in these areas while conducting research work, regarding the possible risk of contamination by Leishmania.
ISSN:0037-8682
1678-9849
DOI:10.1590/S0037-86822010000100017