phlebotominae (diptera: psychodidae) de lagoas, município de buriticupu, amazônia maranhense. i - riqueza e abundância relativa das espécies em área de colonização recente sand flies (diptera: psychodidae) of lagoas, municipal district of buriticupu, amazonia of maranhão. i - richness and relative abundance of the species in area of recent colonisation

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2000
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Abstract
Este estudo determinou a riqueza de espécies e a abundância relativa dos flebotomíneos da comunidade de Lagoas, em Buriticupu, na Amazônia Maranhense. O estudo consistiu na captura de formas adultas com auxílio de armadilhas luminosas tipo CDC e armadilha de Shannon, das 18 às 6 horas, uma vez por mês, de dezembro/95 a janeiro/97, em ambiente florestal e extraflorestal (peri e intradomicílios). No total, capturou-se 9.392 espécimens (4.302 machos e 5.090 fêmeas) distribuídos em 38 espécies (1 Brumptomyia e 37 Lutzomyia). A riqueza e abundância de espécies foram maiores na mata, seguida do peri e intradomicílio. Na mata, as espécies mais freqüentes foram Lutzomyia whitmani (64,9%), L. migonei (27%) e L. serrana (3,6%). No peridomicílio, predominaram L. evandroi (55,4%), L. whitmani (33,4%) e L. migonei (6,4%) e no intra, L. evandroi (97,9%). O predomínio no ambiente silvestre resulta das potencialidades ainda encontradas nas glebas remanescentes da floresta tão explorada pelas atividades madeireira e agropecuária. Por outro lado, a peridomiciliação de 7,7% das espécies reverteu-se de grande importância epidemiológica, haja visto a existência de pacientes com leishmanioses que julgam ter adquirido a infecção nas proximidades de suas habitações.
In this study the diversity of the species and relative abundance of the sand flies in the Amazonian community of Lagoas, in Buriticupu, Maranhão State, was determined. The study consisted of adult sandflies captured with CD light-traps, Shannon-trap and manual aspiration tube, between 18 PM and 6 AM, once a month, from December/95 to January/97, in a forest fragment and in the domestic environment (peri and intra). In all, 9,393 specimens were captured (4,302 males and 5,140 females) distributed among 38 species (1 Brumptomyia and 37 Lutzomyia). The diversity and abundance of species was higher in the forest, followed by the peri and intra. The predominance in the wild ambient is a consequence of the potentialities found in the remaining fragments of the forest which have survived the lumber yard exploitation and agricultural activities. In the forest environment Lutzomyia whitmani (64.9%), L. migonei (27%) and L. serrana (3.6%) were the most frequent species. In the peri and intra domicile L. evandroi predominated (55.4% and 97.9%). The species, L. whitmani (33.4%) and L. migonei (6.4%), were important in the peri domicile. The peridomestic habit of 7.7% of the sand flies showed the greatest epidemiologic importance, due to the existence of patients with leishmaniasis ulcers, who believe they were infected near their habitations.
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Authors ;José Manuel Macário Rebêlo;Sueli Trindade de Oliveira;Vera Lúcia Lopes Barros;Francinaldo Soares Silva;Jackson Maurício Lopes Costa;Luiz Alves Ferreira;Antonio Rafael da Silva
Journal mobile information systems
Year 2000
DOI
10.1590/S0037-86822000000100002
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822000000100002
Keywords
leishmaniasis lutzomyia tropical medicine phlebotominae amazonia of maranhãoarctic medicine

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