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      Effect of the age of the pupal holotissue on the nutritional quality of artificial diets for Trichogramma spp. (Hymenoptera: Trichogrammatidae) Translated title: Efeito da idade do holotecido pupal na qualidade nutricional de dietas artificiais para Trichogramma spp. (Hymenoptera: Trichogrammatidae)

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          Abstract

          The nutritional quality of artificial diets composed of pupal holotissues of Diatraea saccharalis (Fabr.) (Lep.: Crambidae) from three different age classes (1-2, 3-4 and 5-6 days old) were tested for rearing Trichogramma galloi Zucchi and T. pretiosum Riley (Hym.: Trichogrammatidae) in vitro. Pupal holotissues were added to egg yolk, bovine fetal serum, lactoalbumine hydrolysate and preservatives, and offered to the parasitoids into artificial eggs. The quality of these diets in supporting the development of both parasitoids was evaluated by assessing the acceptance and parasitism of the artificial host eggs, larval and pupal survival, size, parasitism capacity and longevity of the in vitro-reared females, and the presence of deformed adults. Diets composed of 5-6 d old pupal holotissues did not support the larval development of both parasitoids as well as reduced the acceptance and/or parasitism of artificial eggs by T. galloi and T. pretiosum. The factors affecting the nutritional quality of pupal holotissues collected from different developmental stages are discussed.

          Translated abstract

          Testou-se a qualidade nutricional de dietas artificiais contendo holotecidos pupais de Diatraea saccharalis (Fabr.) (Lep.: Crambidae), coletados de pupas em três estágios de desenvolvimento (1-2, 3-4 e 5-6 dias de desenvolvimento), para a criação in vitro de Trichogramma galloi Zucchi e T. pretiosum Riley (Hym.: Trichogrammatidae). Os holotecidos pupais foram adicionados aos demais componentes da dieta, gema de ovo, soro fetal bovino, hidrolisado de lactoalbumina e anticontaminantes, e oferecidos aos parasitóides em ovos artificiais. A qualidade dessas dietas para o desenvolvimento de ambos parasitóides foi avaliada através da aceitação e parasitismo dos ovos artificiais, sobrevivência larval e pupal, tamanho, capacidade de parasitismo e longevidade dos adultos emergidos dessas dietas, assim como a presença de deformações nesses adultos. A dieta composta de holotecidos de pupas com 5-6 dias de desenvolvimento não permitiu o crescimento larval de ambas as espécies, sendo que essa dieta também reduziu a aceitação e/ou parasitismo de ovos artificiais por T. galloi e T. pretiosum.

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          Controle microbiano de insetos

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            Biology of Trichogramma galloi and T. pretiosum (Hymenoptera: Trichogrammatidae) Reared in Vitro and in Vivo

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              Trichogramma e o controle biológico aplicado

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                Author and article information

                Journal
                aseb
                Anais da Sociedade Entomológica do Brasil
                An. Soc. Entomol. Bras.
                Sociedade Entomológica do Brasil (Londrina, PR, Brazil )
                0301-8059
                1981-5328
                September 2000
                : 29
                : 3
                : 555-563
                Affiliations
                [02] Piracicaba SP orgnameUSP orgdiv1ESALQ orgdiv2Departamento de Entomologia, Fitopatologia e Zoologia Agrícola Brasil
                [01] Texas orgnameTexas A& M University orgdiv1Department of Entomology USA
                Article
                S0301-80592000000300018 S0301-8059(00)02900318
                03b6ef8e-c8eb-45e5-b017-237e45bbb4f7

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

                History
                : 30 May 2000
                : 30 May 2000
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 31, Pages: 9
                Product

                SciELO Brazil

                Categories
                Biological Control

                rearing techniques,criação in vitro,artificial host,técnicas de criação,hospedeiro artificial,Insecta,in vitro rearing,diet suitability

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