Aphid (Hemiptera: Aphididae) diversity in potato production areas in Tucumán, Argentina
Keywords:
aphids, biodiversity, taxonomy, virus vectorAbstract
Aphids are recognized as important plant pests worldwide and they are major vectors of viruses. It is necessary to identify the aphid species in an agroecosystem in order to develop appropriate pest management strategies. The aim of this work was to determine the taxonomic diversity of aphid species present in potato crops in different agroecological regions of Tucumán, Argentina. Monitoring was done by 2 methods: modified Moericke yellow water traps were used for the alatae, while the apterae were collected directly from the plants. A total of 15,169 winged aphids were caught and 7,455 apterae colonizing the crop were collected. Fifty-six species were identified, 27 of which were present in all regions surveyed. Differences in species diversity between regions are discussed.
Los áfidos son una importante plaga de plantas en todo el mundo y su importancia radica en ser uno de los principales vectores de virus. Es necesario identificar las especies de áfidos en un agroecosistema con el fin de desarrollar estrategias de manejo adecuadas. El objetivo de este trabajo fue determinar la diversidad taxonómica de las especies de áfidos presentes en cultivos de papa en diferentes regiones agrológicas de Tucumán, Argentina. El monitoreo se realizó utilizando dos métodos: se utilizaron trampas amarillas de agua Moericke para los alados y los ápteros fueron colectados directamente de las plantas. Un total de 15,169 áfidos alados y 7,455 ápteros colonizando el cultivo fueron capturados. Se identificaron 56 especies y 27 de ellas estuvieron representadas en todas las regiones evaluadas. Se observaron diferencias en la diversidad de especies entre las regiones, las cuales se discuten en el trabajo.
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