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      Seasonality and temporal structuration of Alticini community (Coleoptera, Chrysomelidae, Galerucinae) in the Araucaria Forest of Parana, Brazil Translated title: Sazonalidade e estruturação temporal da comunidade de Alticini (Coleoptera, Chrysomelidae, Galerucinae) na Floresta com Araucária do Paraná, Brasil

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          Abstract

          Seasonality was studied for Alticini trapped with malaise over a period of two years in the Vila Velha State Park, Parana, Brazil. Coleoptera, Chrysomelidae and Alticini showed seasonal distribution, with the highest abundance during spring and summer months. The abundance peaks of these groups were not synchronized. Of all environmental variables tested, photoperiod had the larger effect on the distributional patterns of Coleoptera, Chrysomelidae and Alticini. Also, Chrysomelidae and Alticini probably are related to the quality and availability of host-plants. When richness was high there was a greater similarity among seasons of different years. However, when richness was not pronounced, seasons showed more similarity within the same year than between years. The Alticini community was seasonally structured and a possible mechanism underlying this pattern is asymmetric competition. Nevertheless, it is necessary to account for indirect interactions (plant-enemy mediated) to better understand how Alticini community is structured.

          Translated abstract

          Foi estudada a sazonalidade de Alticini coletados com armadilha malaise, durante dois anos no Parque Estadual de Vila Velha, Paraná, Brasil. Coleoptera, Chrysomelidae e Alticini apresentaram distribuição sazonal com maior abundância nos meses de primavera-verão, mas os picos de abundância não foram coincidentes. Dentre todas as variáveis ambientais testadas, o fotoperíodo teve maior influência nos padrões de distribuição de Coleoptera, Chrysomelidae e Alticini, sendo que Chrysomelidae e Alticini provavelmente também estão relacionados à disponibilidade e qualidade de suas plantas hospedeiras. Nas estações mais ricas houve maior similaridade entre as estações dos diferentes anos, porém nas estações menos ricas houve maior similaridade dentro do mesmo ano que entre os anos. A comunidade de Alticini mostrou-se sazonalmente estruturada, sendo a competição assimétrica o provável mecanismo atuante. Entretanto, são necessários estudos das interações indiretas (mediadas por plantas-inimigos naturais) para melhor entender como a comunidade de Alticini é estruturada.

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          Most cited references38

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          NULL MODEL ANALYSIS OF SPECIES CO-OCCURRENCE PATTERNS

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            Seasonal Fluctuations in Rainfall, Food and Abundance of Tropical Insects

            Henk Wolda (1978)
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              A light-weiht Malaise trap

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rbent
                Revista Brasileira de Entomologia
                Rev. Bras. entomol.
                Sociedade Brasileira De Entomologia (São Paulo )
                1806-9665
                2008
                : 52
                : 2
                : 289-295
                Article
                S0085-56262008000200009
                10.1590/S0085-56262008000200009
                48c57f28-ecd2-4007-83f1-bbeae50774d3

                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=0085-5626&lng=en
                Categories
                ENTOMOLOGY

                Entomology
                Abundance,community structure,competition,herbivorous,seasonality,Abundância,competição,estrutura de comunidade,herbívoros,sazonalidade

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