Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera
Varroa destructor represents a major threat to honeybee colonies worldwide, prompting the search for alternative organic acaricides. This study evaluated the biological activity of essential oils extracted from three Patagonian wild plants—Adesmia boronioides, Dysphania multifida, and Senecio filagi...
| Autores principales: | , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
MDPI
2025
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/24217 https://www.mdpi.com/2223-7747/14/16/2484 https://doi.org/10.3390/plants14162484 |
| _version_ | 1855487280164110336 |
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| author | Manzo, Rosa M. Iglesias, Azucena E. Guajardo, Jimena Johana Amaturi, Carolina A. Freeman, Brenda D. López de Armentia, Juliana Rizzuto, Susana Maggi, Matías D. |
| author_browse | Amaturi, Carolina A. Freeman, Brenda D. Guajardo, Jimena Johana Iglesias, Azucena E. López de Armentia, Juliana Maggi, Matías D. Manzo, Rosa M. Rizzuto, Susana |
| author_facet | Manzo, Rosa M. Iglesias, Azucena E. Guajardo, Jimena Johana Amaturi, Carolina A. Freeman, Brenda D. López de Armentia, Juliana Rizzuto, Susana Maggi, Matías D. |
| author_sort | Manzo, Rosa M. |
| collection | INTA Digital |
| description | Varroa destructor represents a major threat to honeybee colonies worldwide, prompting the search for alternative organic acaricides. This study evaluated the biological activity of essential oils extracted from three Patagonian wild plants—Adesmia boronioides, Dysphania multifida, and Senecio filaginoides—on both V. destructor and Apis mellifera. Chemical analysis revealed that A. boronioides oil was dominated by esquelenone (34.49%), D. multifida by ascaridole (34.87%), and S. filaginoides by α-pinene (40.87%). All essential oils exhibited acaricidal activity, with D. multifida showing the lowest LC50 against V. destructor (1.1 µL/mL at 24 h). Toxicity assays on adult bees indicated that A. boronioides and D. multifida significantly reduced bee survival, whereas S. filaginoides did not appear to cause significant mortality (LC50 = 139.5 µL/mL). Repellency tests for A. boronioides and D. multifida showed significant mite repellence. Larval assays revealed a high survival rate under S. filaginoides treatment (survival rate > 80.24%), in contrast to the reduced viability observed with the other oils. The high selectivity index of S. filaginoides underscores its potential as a selective and safe botanical acaricide. Moreover, its LC50 decreased over time, suggesting a residual acaricidal effect. These findings support S. filaginoides as a promising candidate for sustainable V. destructor control. |
| format | Artículo |
| id | INTA24217 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA242172025-10-20T14:08:05Z Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera Manzo, Rosa M. Iglesias, Azucena E. Guajardo, Jimena Johana Amaturi, Carolina A. Freeman, Brenda D. López de Armentia, Juliana Rizzuto, Susana Maggi, Matías D. Aceites Esenciales Compuestos Bioactivos Abeja Melífera Apicultura Control Biológico Plantas Silvestres Essential Oils Bioactive Compounds Honey Bees Apis mellifera Varroa destructor Apiculture Biological Control Wild Plants Región Patagónica Varroa destructor represents a major threat to honeybee colonies worldwide, prompting the search for alternative organic acaricides. This study evaluated the biological activity of essential oils extracted from three Patagonian wild plants—Adesmia boronioides, Dysphania multifida, and Senecio filaginoides—on both V. destructor and Apis mellifera. Chemical analysis revealed that A. boronioides oil was dominated by esquelenone (34.49%), D. multifida by ascaridole (34.87%), and S. filaginoides by α-pinene (40.87%). All essential oils exhibited acaricidal activity, with D. multifida showing the lowest LC50 against V. destructor (1.1 µL/mL at 24 h). Toxicity assays on adult bees indicated that A. boronioides and D. multifida significantly reduced bee survival, whereas S. filaginoides did not appear to cause significant mortality (LC50 = 139.5 µL/mL). Repellency tests for A. boronioides and D. multifida showed significant mite repellence. Larval assays revealed a high survival rate under S. filaginoides treatment (survival rate > 80.24%), in contrast to the reduced viability observed with the other oils. The high selectivity index of S. filaginoides underscores its potential as a selective and safe botanical acaricide. Moreover, its LC50 decreased over time, suggesting a residual acaricidal effect. These findings support S. filaginoides as a promising candidate for sustainable V. destructor control. EEA Esquel Fil: Manzo, Rosa M. Consejo Nacional de Investigaciones Científicas y Técnica; Argentina Fil: Manzo, Rosa M. Universidad Nacional de la Patagonia San Juan Bosco. Laboratorio de Investigaciones en Evolución y Biodiversidad; Argentina Fil: Iglesias, Azucena E. Consejo Nacional de Investigaciones Científicas y Técnica; Argentina Fil: Iglesias, Azucena E. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Centro de Investigación en Abejas Sociales (IIPROSAM); Argentina Fil: Guajardo, Jimena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agroforestal Esquel; Argentina Fil: Amaturi, Carolina A. Consejo Nacional de Investigaciones Científicas y Técnica; Argentina Fil: Amaturi, Carolina A. Universidad Nacional de la Patagonia San Juan Bosco. Laboratorio de Investigaciones en Evolución y Biodiversidad; Argentina Fil: Freeman, Brenda D. Consejo Nacional de Investigaciones Científicas y Técnica; Argentina Fil: Freeman, Brenda D. Secretaria de Chubut; Argentina Fil: López de Armentia, Juliana. Universidad Nacional de la Patagonia San Juan Bosco. Instituto de Biotecnología Esquel; Argentina Fil: Rizzuto, Susana. Universidad Nacional de la Patagonia San Juan Bosco. Laboratorio de Investigaciones en Evolución y Biodiversidad; Argentina Fil: Maggi, Matías D. Consejo Nacional de Investigaciones Científicas y Técnica; Argentina Fil: Maggi, Matías D. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Centro de Investigación en Abejas Sociales (IIPROSAM); Argentina 2025-10-20T14:03:13Z 2025-10-20T14:03:13Z 2025-08 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/24217 https://www.mdpi.com/2223-7747/14/16/2484 2223-7747 https://doi.org/10.3390/plants14162484 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf MDPI Plants 14 (16) : 2484. (August 2025) |
| spellingShingle | Aceites Esenciales Compuestos Bioactivos Abeja Melífera Apicultura Control Biológico Plantas Silvestres Essential Oils Bioactive Compounds Honey Bees Apis mellifera Varroa destructor Apiculture Biological Control Wild Plants Región Patagónica Manzo, Rosa M. Iglesias, Azucena E. Guajardo, Jimena Johana Amaturi, Carolina A. Freeman, Brenda D. López de Armentia, Juliana Rizzuto, Susana Maggi, Matías D. Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title | Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title_full | Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title_fullStr | Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title_full_unstemmed | Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title_short | Bioactivity of Essential Oils from Patagonian Wild Plants: Acaricidal and Insecticidal Effects on Varroa destructor and Apis mellifera |
| title_sort | bioactivity of essential oils from patagonian wild plants acaricidal and insecticidal effects on varroa destructor and apis mellifera |
| topic | Aceites Esenciales Compuestos Bioactivos Abeja Melífera Apicultura Control Biológico Plantas Silvestres Essential Oils Bioactive Compounds Honey Bees Apis mellifera Varroa destructor Apiculture Biological Control Wild Plants Región Patagónica |
| url | http://hdl.handle.net/20.500.12123/24217 https://www.mdpi.com/2223-7747/14/16/2484 https://doi.org/10.3390/plants14162484 |
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