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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.12 no.3 Manaus July/Sept. 1982

https://doi.org/10.1590/1809-43921982123609 

PATOLOGIA TROPICAL

On the vectors of cutaneous leishmaniasis in the Central Amazon of Brazil. 4. Sand fly emergence from a "terra firme" forest floor 1

Jorge R. Arias2 

Rui A. de Freitas2 

2Instituto Nacional de Pesquisas da Amazônia Manaus.


Abstract

Over 30% of the sand flies collected in emergence traps from a "terra firme" forest in the Amazon Basin of Brazil were known vectors of cutaneous leishmaniasis. Fifteen species of sand flies were collected from a region where at least 50 species are known to occur. The majority of specimens were taken from traps set during the month of November. It was estimated that 100 m2 of terra firme forest will only produce an average of. 4.1 sand flies per day; however, this productivity may reach as hign as 14 sand flies per 100 m2 per day.

Resumo

Mais de 30% dos flebótomos coletados em armadilhas de eclosão de uma floresta de Terra Firme na Bacia Amazônica do Brasil eram vetores de leishmaniose cutânea. Quinze espécies foram coletadas de uma região de onde são conhecidas mais de cinqüenta espécies. A maioria dos flebótomos foram coletados nas armadilhas colocadas durante o mês de novembro. Estimou-se que de cada área de 100 m2 de solo aberto da floresta de terra firme são produzidos 4,1 flebótomos por dia, mais, considerando a época de maior produção, este número pode atingir até 14 flebótomos/m2/dia.

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1— This research was partly supported by CNPq's Grandes endemias grant 2222.8.087/80 and INPA's project 3017.

Creative Commons License  This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.