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      Mites (Acari) of rubber trees (Hevea brasiliensis Muell. Arg., Euphorbiaceae) in Piracicaba, state of São Paulo, Brazil Translated title: Ácaros (Acari) da seringueira (Hevea brasiliensis Muell. Arg., Euphorbiaceae) em Piracicaba, SP

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          Abstract

          This study determined the main mite species on rubber trees (clone RRIM-600) in Piracicaba, southeast of São Paulo State, from June 2002 to May 2003 and evaluated the possible relation between them. It was conducted in a plantation of 5 ha on 11 year old trees, 15 m high, surrounded with crops as pearl millet, cotton, bean or corn. Samples were taken monthly and consisted of five leaflets, five petioles (only from October 2002 on) and five terminal sections of twigs (10 cm) from 15 rubber trees. All mites of one leaflet, one petiole and one twig section of each plant were mounted for identification to genera/species to estimate the proportional occurrence of each species. A total of 84,850 mites belonging to 38 species of 34 genera and 16 families were found. Tydeidae was the family with the highest number of species (11), followed by Phytoseiidae and Stigmaeidae (4 each). The most abundant families were Eriophyidae, Tenuipalpidae and Tydeidae (totals of 43,023, 26,390 and 13,644 individuals, respectively). The highest population levels of the pest mites Calacarus heveae Feres and Tenuipalpus heveae Baker occurred at the end of the rainy season. The most abundant predators were Metaseiulus camelliae (Chant & Yoshida-Shaul), Amblyseius compositus Denmark & Muma and Euseius citrifolius Denmark & Muma. The predators could not prevent the increase of C. heveae and T. heveae from March on. However, their presence might have prevented an earlier increase and even higher levels of those mites.

          Translated abstract

          Foram determinadas as principais espécies de ácaros que ocorrem em seringueira (clone RRIM-600) em Piracicaba, SP, de junho de 2002 a maio de 2003 e avaliadas as relações entre elas. O estudo foi realizado numa plantação de 5 ha com arvores de 11 anos de idade e 15 m de altura, circundada de cultivos de milheto, algodão, milho ou feijão. As amostras foram coletadas mensalmente e consistiram de cinco folíolos, cinco pecíolos (a partir de outubro de 2002) e cinco extremidades de ramos (10 cm de comprimento) de 15 seringueiras. Todos os ácaros de um dos cinco folíolos, pecíolos e ramos de cada árvore foram montados para identificação até gênero/espécie para estimar a ocorrência proporcional de cada espécie. Foram encontrados 84.850 ácaros pertencentes a 38 espécies de 34 gêneros e 16 famílias. Tydeidae foi a família com maior número de espécies (11), seguida por Phytoseiidae e Stigmaeidae (4 cada). As famílias mais abundantes foram Eriophyidae, Tenuipalpidae e Tydeidae (totais de 43.023, 26.390 e 13.644 indivíduos, respectivamente). Os maiores níveis populacionais dos ácaros-praga Calacarus heveae Feres e Tenuipalpus heveae Baker ocorreram no final da estação chuvosa. Os predadores mais abundantes foram Metaseiulus camelliae (Chant & Yoshida-Shaul), Amblyseius compositus Denmark & Muma e Euseius citrifolius Denmark & Muma. Os predadores não conseguiram evitar o aumento populacional de C. heveae e T. heveae a partir de março. No entanto, a presença daqueles predadores pode ter evitado o surgimento mais precoce e níveis ainda maiores daqueles ácaros-praga.

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          Levantamento e observações naturalísticas da acarofauna (Acari, Arachnida) de seringueiras cultivadas (Hevea spp., Euphorbiaceae) no Brasil

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            Differential impact of egg predation by Zetzellia mali (Acari: Stigmaeidae) on Metaseiulus occidentalis and Typhlodromus pyri (Acari: Phytoseiidae)

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              Two new Phyllocoptine mites (Acari: Eriophyidae) from Hevea brasiliensis Muell. Arg. (Euphorbiaceae) from Brasil

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                ne
                Neotropical Entomology
                Neotrop. entomol.
                Sociedade Entomológica do Brasil (Londrina )
                1678-8052
                February 2006
                : 35
                : 1
                : 112-120
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                [2 ] Universidade de São Paulo Brazil
                Article
                S1519-566X2006000100015
                10.1590/S1519-566X2006000100015
                c992ade6-9a9c-4d56-ae09-a0d9be86e98e

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1519-566X&lng=en
                Categories
                ENTOMOLOGY

                Entomology
                Ecology,pest management,biological control,Ecologia,manejo de pragas,controle biológico
                Entomology
                Ecology, pest management, biological control, Ecologia, manejo de pragas, controle biológico

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