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      Preferencia de oviposición de Orius insidiosus (Hemiptera: Anthocoridae) en plantas herbáceas Translated title: Oviposition preference of Orius insidiosus (Hemiptera: Anthocoridae) in different herbaceous plants

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          Abstract

          Resumen Introducción. Orius insidiosus es un insecto omnívoro con estrategia de oviposición endófita, con preferencia de oviposición en plantas que garanticen refugio y alimento. Objetivo. Evaluar tres especies vegetales como sitio de oviposición de O. insidiosus en Phaseolus vulgaris (Fabaceae), Ipomoea batata (Convolvulaceae) y Portulaca oleracea (Portulacaceae). Materiales y métodos. El trabajo se realizó en el 2020, en el Centro de Investigación y Reproducción de Controladores Biológicos de la Universidad Nacional Autónoma de Nicaragua, León, Nicaragua. Se usaron esquejes de 15 cm de longitud de tres plantas para hembras de O. insidiosus como sustratos de oviposición: Portulaca oleracea L., Phaseolus vulgaris L., y Ipomoea batatas (L.) Lam. La unidad experimental (n= 90) consistió en esquejes tiernos de 15 cm de longitud, colocados de forma individual en tazas de polietileno, con treinta repeticiones por tratamiento, mediante la técnica de no elección. En cada esqueje se colocó una pareja de O. insidiosus. Cada 24 h se inspeccionaron los esquejes para contabilizar las posturas de huevos. Luego, los esquejes se removieron y revisaron durante cinco días para contabilizar la eclosión de las ninfas, se determinó el peso final del esqueje. Resultados. En los esquejes de P. oleracea se observaron los valores de postura más altos con 5,90 huevos/día por esqueje, seguido por L. batatas con 4,10 huevos/día y por último, P. vulgaris con 2,13 huevos/día. Se evidenció una variabilidad en la postura según el peso inicial y final. Los valores de eclosión fueron menores referentes a los de postura, P. oleracea obtuvo el mayor promedio de eclosión con cuatro individuos seguido por I. batatas con 1,5 y P. vulgaris con 0,8. Conclusiones. P. oleracea presentó mejor preferencia para O. insidiosus con respecto a postura de huevo y eclosión de ninfa. Podría validarse en campo como una estrategia de control biológico.

          Translated abstract

          Abstract Introduction. Orius insidiosus is an omnivorous insect with an endophytic oviposition strategy, with a preference for oviposition on plants that guarantee shelter and food. Objective. To evaluate three plant species as oviposition sites for O. insidiosus on Phaseolus vulgaris (Fabaceae), Ipomoea batata (Convolvulaceae) and Portulaca oleracea (Portulacaceae). Materials and methods. The work was carried out in 2020, at the Center for Research and Reproduction of Biological Controllers of the Universidad Autónoma de Nicaragua, León, Nicaragua, León. Cutting 15-cm-long from three plants for O. insidiosus females were used as oviposition substrates: Portulaca oleracea L., Phaseolus vulgaris L., and Ipomoea batatas (L.) Lam. The experimental unit (n= 90) consisted of 15 cm long tender cuttings, individually placed in polyethylene cups using thirty replicates per treatment, using the no-choice technique. One pair of O. insidiosus was placed on each cutting. Every 24 h the cuttings were inspected to count the egg laying. Subsequently, the cuttings were removed and checked for five days to count nymphs hatching, and the final weight of the cutting was determined. Results. The highest laying values in P. oleracea cuttings with 5.90 eggs/day per cutting, followed by I. batatas with 4.10 eggs/day, and finally P. vulgaris with 2.13 eggs/day. There was evidence of variability in the posture according to the initial and final weight. The hatching values were lower than those of laying, P. oleracea had the highest hatching average with 4 individuals, followed by I. batatas with 1.5, and P. vulgaris with 0.8. Conclusions. P. oleracea showed a better preference for O. insidiosus regarding egg laying and nymph hatching. It could be validated in the field as a biological control strategy.

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          How to implement biodiversity-based agriculture to enhance ecosystem services: a review

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            Facing herbivory as you grow up: the ontogeny of resistance in plants.

            As plants develop from seeds to seedlings, juveniles and mature stages, their ontogeny can constrain the expression of resistance to herbivore damage. Nevertheless, ecological and evolutionary theories regarding interactions between plants, herbivores and their natural enemies are largely based on observations and experiments conducted at a single ontogenetic stage. Owing to resource allocation and architectural constraints in plants, and the influence of herbivore foraging behavior, resistance to herbivores is likely to change during plant development. We propose that such changes are likely to occur in a non-linear fashion and suggest that the role of ontogeny should be incorporated as an important factor in new syntheses of plant defense theory.
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              The New Integrated Pest Management Paradigm for the Modern Age

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                Author and article information

                Journal
                am
                Agronomía Mesoamericana
                Agron. Mesoam
                Universidad de Costa Rica (San Pedro, San José, Costa Rica )
                1659-1321
                2215-3608
                April 2023
                : 34
                : 1
                : 50410
                Affiliations
                [1] orgnameUniversidad Nacional Autónoma de Nicaragua Nicaragua conrado.quiroz@ 123456ev.unanleon.edu.ni
                [3] orgnameUniversidad Nacional Autónoma de Nicaragua Nicaragua pedro.silva@ 123456ev.unanleon.edu.ni
                [2] orgnameUniversidad Nacional Autónoma de Nicaragua Nicaragua carlos.real@ 123456ev.unanleon.edu.ni
                [4] orgnameUniversidad Nacional Autónoma de Nicaragua Nicaragua luis.moreno@ 123456ev.unanleon.edu.ni
                Article
                S1659-13212023000100005 S1659-1321(23)03400100005
                10.15517/am.v34i1.50410
                8646e41d-7447-4f23-9fc4-3fa6fb9c1fe9

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

                History
                : 22 March 2022
                : 14 June 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 34, Pages: 0
                Product

                SciELO Costa Rica

                Categories
                Artículos

                eclosión,predatory bug,Ipomoea batatas,Phaseolus vulgaris,Portulaca oleracea,chinche depredador,hatching

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