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      Monitoreo de adultos del picudo de los cítricos Compsus viridivittatus (Coleoptera: Curculionidae: Entiminae) en Valle del Cauca, Colombia Translated title: Monitoring methods of weevil adults of citrus Compsus viridivittatus (Coleoptera: Curculionidae: Entiminae) in Valle del Cauca, Colombia

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          Abstract

          Resumen Se evaluó la eficiencia de dos métodos de monitoreo de adultos de Compsus viridivittatus, considerado plaga de cítricos en regiones de Colombia: lona al piso (LP), de uso potencial en la detección de poblaciones de adultos en el árbol, y la trampa tipo cono (TE) para poblaciones jóvenes emergentes del suelo. Los estudios se realizaron en cuatro parcelas independientes en Caicedonia (Valle del Cauca, Colombia), durante 51 semanas, en un diseño completamente al azar con 20 repeticiones/método/parcela/localidad. El esfuerzo de muestreo en todas las localidades ascendió a 160 árboles-semana. Se obtuvo un total de 1961 adultos emergentes (1.363 hembras: 598 machos) con TE y 5.060 adultos (3.117 hembras: 1.943 machos) con LP. Los mayores promedios de capturas ocurrieron en periodos de máximas precipitaciones (60-103 mm/semana), 2,5 adultos en TE y 5 adultos LP. Se encontraron diferencias significativas en la abundancia de poblaciones entre parcelas; LP: rango: 10-24 adultos y con TE rango: 4-20 adultos/trampa. Las correlaciones de 66 % entre métodos/parcela, sugieren que los cambios que experimenta la abundancia de poblaciones pueden ser explicados con la dinámica que presentan las poblaciones que emergen del suelo. En síntesis, los resultados indican que el uso independiente y/o combinando de los métodos, pueden ser útil como criterio en la toma de decisiones sobre la época y el tipo de alternativa a implementar para la reducción de las poblaciones de C. viridivittatus.

          Translated abstract

          Abstract The efficiency of two adult monitoring methods for pest Compsus viridivittatus in several regions in Colombia: tarpaulin on the floor (TF), for the detection of adult populations in the tree, and cone-shaped ground traps (CT) for young populations emerging from the soil was evaluated. Studies were conducted in four independent plots located in Caicedonia (Valle del Cauca, Colombia), for 51 weeks in a completely randomized design with 20 replicates / method / plot / locality. The sampling effort in all localities amounted to 160 trees per week. During the study, 1,961 emergent adults (1,363 females: 598 males) were obtained using CT and 5,060 adults (3,117 females: 1,943 males) were obtained with TF. The highest average number of catches occurred during periods of maximum rainfall (60-103 mm / week), with 2.5 adults caught using CT and 5 adults caught using TF. Significant differences were found in the abundance of populations between plots; the TF range was 10-24 adults/trap and the CT range was 4-20 adults/trap. The sixty-six percent (66 %) correlation found between methods / plot suggests that changes in population abundance can be explained by the dynamics of populations emerging from the soil. In summary, the results indicate that independent use and / or combination of the methods can be useful as a criterion for decision making about the time and type of alternative to implement for the reduction of C. viridivittatus populations.

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          Citrus Weevils in Florida and the West Indies: Preliminary Report on Systematics, Biology, and Distribution (Coleoptera: Curculionidae)

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            Estimating the relative abundance of citrus root weevils with modified Tedders traps

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              Arthopods associated with Annona spp. in the Neotropics

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                Author and article information

                Journal
                rcen
                Revista Colombiana de Entomología
                Rev. Colomb. Entomol.
                Sociedad Colombiana de Entomología (Bogotá, Distrito Capital, Colombia )
                0120-0488
                2665-4385
                December 2019
                : 45
                : 2
                : e7955
                Affiliations
                [1] Palmira orgnameCorporación Colombiana de Investigación Agropecuaria (AGROSAVIA) orgdiv1Centro de Investigación Palmira Colombia acarabali@ 123456agrosavia.co
                [2] Armenia Quindío orgnameUniversidad del Quindío Colombia d.cardonagalvis@ 123456gmail.com
                Article
                S0120-04882019000200006 S0120-0488(19)04500200006
                10.25100/socolen.v45i2.7955
                65af9a2d-f986-4542-bc2f-2c42036da9dd

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

                History
                : 27 April 2019
                : 15 February 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 20, Pages: 0
                Product

                SciELO Colombia

                Categories
                Sección agrícola

                Curculionidae,management,Compsus viridivittatus Coleoptera,populations,cítricos,citrus,traps,Monitoring,manejo,poblaciones,Monitoreo,trampas

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