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      Preferencia de oviposición de Peregrinus maidis (Hemiptera: Delphacidae) en distintas plantas hospederas Translated title: Oviposition preference of Peregrínus matáis (Hemiptera: Delphacidae) on different host plants

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          Abstract

          La chicharrita del maíz, Peregrinus maidis (Ashmead), es una especie que ha sido registrada en la mayoría de las regiones tropicales. Esta asociada a diversos cultivos de importancia económica. En América tropical, esta especie es un vector de diversas enfermedades virales en maíz, Zea mays L. El objetivo de esta investigación es evaluar la preferencia de oviposición de P. maidis sobre diferentes especies vegetales hospederas, mediante un ensayo de elección múltiple. Se ofrecieron cuatro especies de Poaceae: Z. mays L., Brachiaria sp., Cynodon dactylon (L.) Person y Sorghum halepense (L.) Person. Se detectó que las hembras de P. maidis son capaces de depositar sus huevos en todas las especies vegetales ofrecidas, aunque prefieren significativamente el sorgo de alepo, maíz y pasto bra-quiaria (91% de los casos). Por otra parte, se registró un alto porcentaje de plantas disponibles sin huevos, sugiriendo que P. maidis no ovipone durante un período de tiempo considerable. Los resultados son discutidos en el contexto de las interacciones agroecológicas presentes en un sistema de cultivo de maíz.

          Translated abstract

          The corn planthopper, Peregrinus maidis (Ashmead) is a species that has been recorded in most regions of the Tropics. It is associated to several crops of economical importance. In tropical America, the species is a vector of several viral diseases, mainly in maize, Zea mays L. The aim of this research is to evaluate the oviposition preference of P. maidis on different host plants, by means of a multiple choice test. In this study, four species of Poaceae, Z. mays, Brachiaria sp., Cynodon dactylon (L.) Person and Sorghum halepense (L.) Person, were offered. We found that P. maidis females are able to lay their eggs in all offered plant species, although they significantly preferred Johnsongrass, maize and Brachiaria (91% of cases). Moreover, a high percentage of plants without eggs were recorded, suggesting that P. maidis spends considerable time without ovipositing. Results are discussed in the context of P. maidis agroecological interactions in the crop system of maize.

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          Author and article information

          Contributors
          Role: ND
          Role: ND
          Role: ND
          Journal
          rsea
          Revista de la Sociedad Entomológica Argentina
          Rev. Soc. Entomol. Argent.
          Sociedad Entomológica Argentina (La Plata, Mendoza, Argentina )
          0373-5680
          1851-7471
          December 2016
          : 75
          : 3-4
          : 139-146
          Article
          S0373-56802016000200005

          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: 15, Pages: 8
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