White grub (Coleoptera: Melolonthidae) mortality induced by Ophiocordyceps melolonthae

  • Salgado-Neto G
  • Vaz M
  • Guedes J
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Abstract

ABSTRACT: The occurrence of white grub roots in soybean crops in the South of Brazil has gradually increased. However, there is not information on the biological control of grubs by entomopathogenic fungi. This study aimed to induce infection by Ophiocordyceps melolonthae and analyze longevity in Cyclocephala modesta and Dyscinetus gagates larvae (Coleoptera: Melolonthidae). In the laboratory, Cyclocephala modesta and Dyscinetus gagates had a mortality rate of 85% and 75%, respectively.RESUMO: A ocorrência de corós-praga de raízes em lavoura de soja, no Sul do Brasil, tem gradualmente aumentado. Entretanto, não há informação sobre controle biológico de corós por fungos entomopatogênicos. Este estudo tem o objetivo de induzir a infecção por Ophiocordyceps melolonthae e analisar a longevidade em larvas de Cyclocephala modesta e Dyscinetus gagates (Coleoptera: Melolonthidae). Em laboratório, Cyclocephala modesta e Dyscinetus gagates apresentaram uma taxa de mortalidade de 85% e 75%, respectivamente.

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APA

Salgado-Neto, G., Vaz, M. B., & Guedes, J. V. C. (2017). White grub (Coleoptera: Melolonthidae) mortality induced by Ophiocordyceps melolonthae. Ciência Rural, 47(6). https://doi.org/10.1590/0103-8478cr20160788

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