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      Estrutura da comunidade de Phlebotominae (Diptera, Psychodidae) em mata ciliar do município de Urbano Santos, Maranhão, Brasil Translated title: Structure of the Phlebotominae (Diptera, Psychodidae) community in a gallery forest in Urbano Santos district, state of Maranhão, Brazil

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          Abstract

          A diversidade, abundância relativa e a distribuição de Phlebotominae foram estudadas em três setores (bordas e centro) de um fragmento de mata ciliar no município de Urbano Santos, Maranhão, Brasil. Os espécimes foram capturados em junho e novembro/2003 e em janeiro e março/2004 das 18 às 6 horas. Em cada noite de coleta foram instaladas 18 armadilhas, seis em cada setor da mata, totalizando um esforço de 864 horas. Foram encontradas 17 espécies. O centro do fragmento obteve a maior riqueza de espécies (14), seguido da borda B (13) e da borda A (12). As espécies Lutzomyia infraspinosa (Mangabeira, 1941), L. flaviscutellata (Mangabeira, 1942) e L. evandroi (Costa Lima & Antunes, 1936) foram as únicas que apareceram como dominantes nos três setores da mata. Quatorze espécies ocorreram em ambas estações, sendo que L. fluviatilis (Floch & Abonnenc, 1944) foi encontrada apenas na estação chuvosa (janeiro e março) e L. migonei (França, 1920) e L. pinottii (Damasceno & Arouck, 1956) apenas na estação seca (junho e novembro). As diferenças registradas na abundância de indivíduos entre as estações não foram estatisticamente significativas. A presença frequente de L. flaviscutellata pode explicar um caso de leishmaniose cutânea difusa em uma paciente deste município.

          Translated abstract

          The diversity, relative abundance and distribution of Phlebotominae was examined in three sectors (edges and center) of a fragment of gallery forest in the municipality of Urbano Santos, Maranhão, Brazil. Specimens were captured in June and November, 2003, and in January and March, 2004, between 06:00 PM and 06:00 AM. At each collection night, 18 light traps were installed, six in each forest sector, totaling 864 hours of work. Seventeen species were found. The center of the fragment had the greatest diversity of species (14), followed by edge B (13) and edge A (12). The species Lutzomyia infraspinosa (Mangabeira, 1941), L. flaviscutellata (Mangabeira, 1942) and L. evandroi (Costa Lima & Antunes, 1936) were the only ones that appeared as dominants in all forest sectors. Fourteen species were found in both seasons; L. fluviatilis (Floch & Abonnenc, 1944) was found only in the rainy season (January and March); and L. migonei (França, 1920) and L. pinottii (Damasceno & Arouck, 1956) in the dry season (June and November). The differences regarding the abundance of individuals between the seasons were not statistically significant. The frequent presence of L. flaviscutellata may explain a case of diffuse cutaneous leishmaniasis in a patient of that municipality.

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          Ecological Methodology

          Ecological Methodology, Second Edition provides a balance of material on animal and plant populations, and teaches students of ecology how to design efficient tests in order to obtain maximum precision with minimal work.
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            Ecological Diversity

            Indices of diversity and evenness; Species abundance distribuition; Teting hypotheses about species abundances; Divesity and spatial pattern; Diversity on environmental gradients; Determinats of diversity: Local factors.
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              Epidemiology of dermal leishmaniasis in the Rio Doce Valley, State of Minas Gerais, Brazil.

              Dermal leishmaniasis is prevalent in the predominantly settled agricultural areas in the Rio Doce Valley in the eastern part of the State of Minas Gerais, Brazil. The disease has been recorded almost equally in both sexes. Cases have been confirmed in all age groups but youths aged ten to 14 years form the population segment at greatest risk to infection. Cases of single cutaneous lesions, multiple cutaneous lesions and muco-cutaneous lesions have been recorded in the area. Isolates of parasites include representatives of the Leishmania mexicana and L. braziliensis complexes and at least one parasite that does not fit into either category. Infections have not been detected in small mammals (mainly rodents) but about 3% of dogs are infected. The phlebotomine fauna includes no species (or close relatives of species) previously incriminated as vectors of mexicana and braziliensis infections in Brazil. In the complex and confusing epidemiological situation in the Rio Doce Valley it seems unwise to apply traditional specific names to Leishmania of the area.
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                Author and article information

                Journal
                isz
                Iheringia. Série Zoologia
                Iheringia, Sér. Zool.
                Museu de Ciências Naturais (Porto Alegre, RS, Brazil )
                0073-4721
                1678-4766
                June 2011
                : 101
                : 1-2
                : 109-114
                Affiliations
                [03] São Luís MA orgnameUniversidade Federal do Maranhão orgdiv1Departamento de Biologia Brasil
                [01] Chapadinha MA orgnameUniversidade Federal do Maranhão orgdiv1Centro de Ciências Agrárias e Ambientais Brasil fred@ 123456ufma.br
                [02] São Luís MA orgnameUniversidade Federal do Maranhão orgdiv1Laboratório de Entomologia e Vetores Brasil
                Article
                S0073-47212011000100015 S0073-4721(11)10100115
                9693ad36-a74e-4bef-92ae-1661d7599919

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : October 2009
                : April 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 23, Pages: 6
                Product

                SciELO Brazil

                Self URI: Texto completo somente em PDF (PT)

                Lutzomyia,Ecologia de vetor,vegetação de Cerrado,Vector ecology,Cerrado vegetation

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