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      UTILIZAÇÃO DE MUDAS DE EUCALYPTUS GRANDIS MELHORA A CRIAÇÃO DO PREDADOR BRONTOCORIS TABIDUS (HET.: PENTATOMIDAE) EM LABORATÓRIO Translated title: USE OF EUCALYPTUS GRANDIS IMPROVES THE RAISING OF THE PREDATOR BRONTOCORIS TABIDUS (HET.: PENTATOMIDAE) IN THE LABORATORY

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          Abstract

          RESUMO Predadores generalistas são importantes para o controle biológico de pragas por se alimentarem de muitas espécies de insetos, especialmente daquelas em maior abundância, e por se manterem em diferentes agroecossistemas, mesmo em períodos de escassez de presa, tendo sido registrados em surtos de Lepidoptera desfolhadores em plantações de eucalipto. Foram estudados a longevidade e os parâmetros reprodutivos do predador Brontocoris tabidus (Signoret) (Heteroptera: Pentatomidae) a 26 ± 2° C, 65 ± 10% de U.R. e fotofase de 12 horas, alimentado com Tenebrio molitor L. (Coleoptera: Tenebrionidae) (T1) ou com esta presa e mudas de Eucalyptus grandis (T2). A longevidade de machos e fêmeas foi de 27,4 ± 4,4 e 39,6 ± 3,4 dias e de 27,0 ± 4,6 e 34,5 ± 3,1 dias, respectivamente. As fêmeas foram sempre mais pesadas que os machos, com 141,1 e 104,9 mg apenas com T. molitor, e 148,8 e 108,3mg com essa presa e mudas de E. grandis, respectivamente. A viabilidade dos ovos, o número de ovos/fêmea e a longevidade de B. tabidus foram maiores no tratamento com essa presa e mudas de E. grandis.

          Translated abstract

          ABSTRACT Generalist predators are important for the biological control of pests by feeding on many insect pests, especially those occurring in larger abundance. For this reason, they can maintain their populations in different ecosystems, even during periods of prey shortage, and they are found in outbreaks of Lepidoptera defoliators in eucalyptus plantations. The longevity and reproductive parameters of the predatorBrontocoris tabidus (Signoret) (Heteroptera: Pentatomidae) were studied at 26 ± 2° C, 65 ± 10% relative humidity and 12 hours photophase with Tenebrio molitor L. (Coleoptera: Tenebrionidae) (T1) pupae or with this prey and seedlings of Eucalyptus grandis (T2). The longevity of males and females of this predator were 27.4 ± 4.4 and 39.6 ± 3.4 days and 27.0 ± 4.6 and 34.5 ± 3.1 days, respectively. Females were always heavier than males, with 141.1 and 104.9 mg only with T. molitor and 148.8 and 108.3 mg with this prey and E. grandis seedlings, respectively. The viability and number of eggs/female and the longevity of B. tabidus had higher values in the treatment with T. molitor pupae and seedlings of E. grandis.

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          Most cited references28

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          Plant Feeding by Podisus maculiventris (Heteroptera: Pentatomidae): Effect on Survival, Development, and Preoviposition Period

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            Omnivory in terrestrial arthropods: mixing plant and prey diets

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              Nymphal Development and Reproduction of Podisus nigrispinus (Heteroptera: Pentatomidae) Fed With Combinations of Tenebrio molitor (Coleoptera: Tenebrionidae) Pupae and Musca domestica (Diptera: Muscidae) Larvae

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                Author and article information

                Journal
                aib
                Arquivos do Instituto Biológico
                Arq. Inst. Biol.
                Instituto Biológico (São Paulo, SP, Brazil )
                0020-3653
                1808-1657
                June 2008
                : 75
                : 2
                : 167-172
                Affiliations
                [02] Campina Grande PB orgnameUnidade de Controle Biológico orgdiv1Centro Nacional de Pesquisa de Algodão orgdiv2Empresa Brasileira de Pesquisa Agropecuária Brasil
                [01] Viçosa Minas Gerais orgnameUniversidade Federal de Viçosa orgdiv1Departamento de Biologia Animal Brazil
                Article
                S1808-16572008000200167 S1808-1657(08)07500200167
                10.1590/1808-1657v75p1672008
                1793801e-400d-4aea-a5dc-e77bf6fa59ae

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

                History
                : 14 April 2008
                : 25 April 2007
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 6
                Product

                SciELO Brazil

                Categories
                Artigo Científico

                Brontocoris tabidus,controle biológico,predador,Eucalyptus grandis,Tenebrio molitor

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