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      Forest fragments' contribution to the natural biological control of Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) in Maize

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          Abstract

          The present work evaluated the influence of forest distance on predatory solitary wasps' abundance and richness and its relation to the natural biological control of the fall armyworm (Spodoptera frugiperda Smith - Lepidoptera: Noctuidae) in maize. The study consisted of two parallel lines of six experimental maize plots located at an increasing distance from a forest edge. Four trap-nests were placed in the vertices of each plot of the first line to evaluate the abundance and species richness of predatory solitary wasps. The larvae of the fall armyworm were sampled weekly by inspecting ten randomly chosen plants per plot. Predatory solitary wasp abundance (but not species richness) decreased whilst the fall armyworm abundance increased with the distance from the forest. Moreover, population densities of predatory solitary wasps and the fall armyworm were negatively correlated. Results suggested that the crop plantations located near forest fragments might benefit from the reduced pest problems as a result of increased natural biological control.

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          Sistema brasi-leiro de classificação de solos

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            The Economic Value of Ecological Services Provided by Insects

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              Conservation biological control and enemy diversity on a landscape scale

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                Author and article information

                Journal
                babt
                Brazilian Archives of Biology and Technology
                Braz. arch. biol. technol.
                Instituto de Tecnologia do Paraná - Tecpar (Curitiba, PR, Brazil )
                1516-8913
                1678-4324
                August 2011
                : 54
                : 4
                : 755-760
                Affiliations
                [01] São Luís MA orgnameUniversidade Estadual do Maranhão Brasil
                [02] Aracaju SE orgnameEmbrapa Tabuleiros Costeiros Brasil
                Article
                S1516-89132011000400015 S1516-8913(11)05400415
                10.1590/S1516-89132011000400015
                f212c46a-2646-4d8f-a957-2a8b17a63243

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

                History
                : 30 November 2011
                : 27 September 2010
                : 24 May 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 6
                Product

                SciELO Brazil

                Self URI: Full text available only in PDF format (EN)
                Categories
                Biological and Applied Sciences

                predatory solitary wasps,fall armyworm,ecosystem services,natural biological control

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