Silent Allies: Endophytic Entomopathogenic Fungi Promote Biological Control and Reduce Spittlebug <i>Mahanarva spectabilis</i> Distant, 1909 (Hemiptera: Cercopidae)
<i>Urochloa ruziziensis</i> (R. Germ. and C.M. Evrard) Crins (synonym <i>Brachiaria ruziziensis</i>) Poales: Poaceae) pastures are often attacked by spittlebugs, compromising their biomass for livestock usage. A sustainable control method involves the use of entomopathogenic...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-06-01
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| Series: | Journal of Fungi |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2309-608X/11/7/492 |
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| Summary: | <i>Urochloa ruziziensis</i> (R. Germ. and C.M. Evrard) Crins (synonym <i>Brachiaria ruziziensis</i>) Poales: Poaceae) pastures are often attacked by spittlebugs, compromising their biomass for livestock usage. A sustainable control method involves the use of entomopathogenic fungi. Therefore, the objective of this study was to evaluate the efficacy of controlling <i>Mahanarva spectabilis</i> Distant, 1909 (Hemiptera: Cercopidae), in greenhouse and field conditions via endophytic entomopathogenic fungi. In the greenhouse, the mortality of nymphs and adults was 100%, and more than 53% of the nymphs and 59% of the adults that fed on plants inoculated with <i>Fusarium multiceps</i> and <i>Metarhizium anisopliae</i> presented with these fungi in their cadavers. In the field, more than 45% of the insect cadavers that had fed on plants grown from fungus-treated seeds were found to contain the fungi. <i>F. multiceps</i> was found to be endophytic in more than 60% of the plants up to 90 days after seed treatment, and <i>M. anisopliae</i> was found in more than 70% of the plants up to 120 days after treatment. The damage scores of the control plants, both in the greenhouse and in the field, were greater than those of the plants inoculated with the fungi. <i>F. multiceps</i> and <i>M. anisopliae</i> in the endophytic pathway of <i>U. ruziziensis</i> are therefore efficient at controlling spittlebugs. |
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| ISSN: | 2309-608X |