Eficácia de iscas contendo fungos entomopatogênicos no controle de Gryllus assimilis

Autores

  • Arminda Davane Sumbuleiro Graduate Program in Plant Health, Universidade Federal de Pelotas, Pelotas, RS, Brazil https://orcid.org/0009-0006-7458-1858
  • Maguintontz Cedney Jean-Baptiste Graduate Program in Plant Health, Universidade Federal de Pelotas, Pelotas, RS, Brazil https://orcid.org/0000-0002-8080-8207
  • Duane Barros da Fonseca Institute of Biological Sciences, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil https://orcid.org/0000-0002-8085-7156
  • Edison Zefa Department of Insect Ecology, Zoology, and Genetics, Universidade Federal de Pelotas, Pelotas, RS, Brazil https://orcid.org/0000-0002-0317-7843
  • Flavio Roberto Mello Garcia Department of Insect Ecology, Zoology, and Genetics, Universidade Federal de Pelotas, Pelotas, RS, Brazil https://orcid.org/0000-0003-0493-1788

DOI:

https://doi.org/10.1590/1983-21252025v3812910rc

Palavras-chave:

Biocontrole. Bioformulações. Insetos. Microbiológicos.

Resumo

O controle biológico usando entomopatógenos, incluindo os fungos entomopatogênicos, oferece uma alternativa relativamente adequada para o manejo de pragas. Sabe-se que os fungos entomopatogênicos infetam e causam epizootias em uma ampla gama de ordens de insetos, incluindo Hemiptera, Lepidoptera, Coleoptera, Diptera, Hymenoptera e Orthoptera.. O objetivo do presente estudo foi avaliar a eficácia dos fungos entomopatogênicos Metarhizium anisopliae, Beauveria bassiana e Isaria fumosorosea sobre a mortalidade de Gryllus assimilis (Orthoptera: Gryllidae) em ambiente de laboratório. Os testes foram realizados em delineamento inteiramente casualizado, com 4 repetições. Foram avaliadas duas cepas de B. bassiana e uma cepa de M. anisopliae e I. fumosorosea. 7 dias após o tratamento com M. anisopliae 0,15g, foi observada a maior mortalidade de G. assimilis, tendo causado mortalidade de mais da metade dos insetos.

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Publicado

23-06-2025

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Artigo Científico