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      A pheromone lure for catching fall armyworm males (Lepidoptera: Noctuidae) in Mexico Translated title: Una feromona para la captura de machos del gusano cogollero (Lepidoptera: Noctuidae) en México

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          Abstract

          ABSTRACT Moth sex pheromones can be used for monitoring or for control (e.g., mass trapping or mating disruption) of agricultural pests. However, pheromone application in field conditions requires that all crucial pheromonal components are included and optimized in a pheromone lure. In this study, we optimized a sex pheromone lure for monitoring Mexican populations from the fall armyworm (FAW), Spodoptera frugiperda Smith. In corn fields, we evaluated the activity of single compounds, three binary blends, and one tertiary blend of (Z)-7-dodecenyl acetate (Z7-12:OAc), (Z)-9-tetradecenyl acetate (Z9-14:OAc), and (Z)-11-hexadecenyl acetate (Z11-16:OAc). The results showed that the traps baited with a binary blend of Z7-12:Ac + Z9-14:Ac captured significantly more S. frugiperda males than single compounds, other binary blends or the tertiary blend. The absence of Z11-16:OAc in the blends did not significantly affect the capture of males, indicating that this compound is non-essential for male attraction in the field. We demonstrated that the dose of the binary blend of Z7-12:OAc and Z9-14:OAc influenced the catch rate of FAW males. The pheromone lure optimized in this study can be useful for capturing S. frugiperda in Mexico.

          Translated abstract

          RESUMEN Las feromonas sexuales de palomillas se pueden usar para monitoreo o control de plagas agrícolas (por ejemplo, trampeo masivo o interrupción del apareamiento). Sin embargo, la aplicación de feromonas en condiciones de campo requiere que los componentes feromonales activos estén incluidos y optimizados como un cebo feromonal. En este estudio, preparamos un señuelo con la feromona sexual para monitorear las poblaciones mexicanas del gusano cogollero, Spodoptera frugiperda (J. E. Smith). Evaluamos la actividad de compuestos individuales, tres mezclas binarias y una mezcla terciaria de (Z)-7-dodecenil acetato (Z7-12: OAc), (Z)-9-tetradecenil acetato (Z9-14: OAc) y acetato de (Z)-11-hexadecenilo (Z11-16: OAc), en cultivos de maíz. Los resultados mostraron que las trampas cebadas con una mezcla binaria de Z7-12: Ac + Z9-14: Ac capturaron significativamente más machos de S. frugiperda que los compuestos individuales, y que las otras mezclas binarias o la mezcla terciaria. La ausencia de Z11-16: OAc en la mezcla no afectó significativamente la captura de machos, lo que indica que este compuesto no es esencial para la atracción de machos en el campo. Encontramos que la dosis de la mezcla binaria de Z7-12:OAc y Z9-14:OAc influyó en la tasa de captura de machos del gusano cogollero. El señuelo de feromona optimizado en este estudio puede ser útil para capturar S. frugiperda en México.

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          Most cited references 33

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          First Report of Outbreaks of the Fall Armyworm Spodoptera frugiperda (J E Smith) (Lepidoptera, Noctuidae), a New Alien Invasive Pest in West and Central Africa

          The fall armyworm Spodoptera frugiperda is a prime noctuid pest of maize on the American continents where it has remained confined despite occasional interceptions by European quarantine services in recent years. The pest has currently become a new invasive species in West and Central Africa where outbreaks were recorded for the first time in early 2016. The presence of at least two distinct haplotypes within samples collected on maize in Nigeria and São Tomé suggests multiple introductions into the African continent. Implications of this new threat to the maize crop in tropical Africa are briefly discussed.
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            Control of Moth Pests by Mating Disruption: Successes and Constraints

             R Cardé,  A Minks (1995)
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              Host-associated Genetic Differentiation in Fall Armyworm (Lepidoptera: Noctuidae): a Sibling Species Complex?

               D. Pashley (1986)
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                Author and article information

                Journal
                azm
                Acta zoológica mexicana
                Acta Zool. Mex
                Instituto de Ecología A.C. (Xalapa, Veracruz, Mexico )
                0065-1737
                2448-8445
                2020
                : 36
                Affiliations
                Ciudad de México orgnameConsejo Nacional de Ciencia y Tecnología Mexico
                Tapachula Chiapas orgnameEl Colegio de la Frontera Sur orgdiv1Grupo de Ecología de Artrópodos y Manejo de plagas Mexico samuel.cruz@ 123456inecol.mx
                Article
                S0065-17372020000100108 S0065-1737(20)03600000108
                10.21829/azm.2020.3612271

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

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                Figures: 0, Tables: 0, Equations: 0, References: 35, Pages: 0
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