Biological Control in Latin America

Lopes, Rogério Biaggioni; Vargas, Germán; Colmenárez, Yelitza; Faria, Marcos

doi:10.1007/s13744-023-01036-2

Neotrop Entomol

2023

DOI: 10.1007/s13744-023-01036-2

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Biological Control in Latin America

Rogério Biaggioni Lopes

Germán Vargas

Yelitza Colmenárez³

et al.

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2024

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Cited by 2 publications

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References 26 publications

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“…One major challenge confronting contemporary agricultural practices is the escalating proliferation of pest insects attacking leaves, flowers, and fruits from the early growth stages to the fruiting period. This situation requiring farmers to apply extensive insecticides, showing the urgent need for alternative strategies for pest control (Prezoto et al 2019;Lopes et al 2023).…”

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confidence: 99%

Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region

Melo Lourido,

Somavilla,

Corrêa Barbosa

et al. 2024

RCHE

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Social wasps play a crucial role in ecosystems by actively foraging and preying on lepidopterans caterpillars, an important group of insects known to damage various structures of cultivated plants. However, there is a discussion about the potential damage that these wasps can cause to the fruits of some commercial species. In this research, cases of damage caused by Polybia dimidiata (Olivier), Polybia liliacea (Fabricius), Synoeca surinama (Linnaeus), and Synoeca virginea (Fabricius) to fruits of three different fruit species: guava, carambola, and murici, are recorded while they are still attached to the stem. These events occurred in the municipalities of Itacoatiara and Uarini, both located in the state of Amazonas, northern Brazil. These observations were made in the months of January 2013, December 2022, January, and February 2023. Due to their high infestation and vigorous foraging activities, it is speculated we posit that these wasp species could reach pest status, affecting the fruit harvests by stinging workers and damaging the fruits until made for marketing. However, it is crucial to emphasize that more comprehensive studies are needed to determine whether the damage caused by these vespids really represents a threat to small farmers.

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mentioning

confidence: 99%

Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region

Melo Lourido,

Somavilla,

Corrêa Barbosa

et al. 2024

RCHE

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Virulence of entomopathogenic fungi in larvae of Lepidoptera: Noctuidae

Loureiro,

Dias,

Pessoa

et al. 2024

Rev. Caatinga

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Currently, agricultural cropping systems have adopted integrated pest management (IPM) as a successful model for pest control. The use of entomopathogenic fungi in IPM has increased because of their great potential for reducing arthropod pest populations without causing harm to human health and ecosystems. Beauveria bassiana and Metarhizium anisopliae stand out among the most used fungi in biological control, with many isolates commercialized worldwide. Helicoverpa armigera is an agriculturally important pest in Brazil and worldwide, causing damage to several crops. In this context, the objective of this study was to evaluate the biological control potential of Beauveria bassiana, Metarhizium anisopliae, and M. rileyi on H. armigera. The results indicated that the entomopathogenic fungi B. bassiana (strain ESALQ PL63), M. anisopliae (strain ESALQ E9), and M. rileyi (strain UFMS 03), applied using different methods (direct application and dry film) and concentrations (1 × 107, 1 × 108, and 1 × 109 conidia mL-1), resulted in low mortality and no virulence in first-, third-, and fifth-instar larvae of H. armigera. The death of all individuals subjected to treatment with B. bassiana (strain ESALQ PL63) was confirmed by conidiogenesis. Considering the importance of H. armigera as an agricultural pest and the biodiversity of entomopathogenic fungi in Brazil, further investigations on the virulence of fungal strains are necessary to improve the integrated management of lepidopteran pests through microbial control, explore the potential of new strains, and understand the relationships between microorganisms and host defense mechanisms.

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Biological Control in Latin America

Cited by 2 publications

References 26 publications

Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region

Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region

Virulence of entomopathogenic fungi in larvae of Lepidoptera: Noctuidae

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