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Effect of GF-120 (Spinosad) aerial sprays on colonies of the stingless bee Scaptotrigona mexicana (Hymenoptera: Apidae) and the honey bee (Hymenoptera: Apidae)

Gómez Escobar, Enoc [autor] | Liedo Fernández, Pablo [autor] | Montoya Gerardo, Pablo Jesús [autor] | Méndez Villareal, Agustín [autor] | Guzmán Díaz, Miguel Ángel [autor] | Vandame, Rémy [autor] | Sánchez Guillén, Daniel [autor].
Tipo de material: Artículo
 en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Scaptotrigona mexicana | Abejas sin aguijón | Abeja melífera | Polinizadores | Tephritidae | Espinosad | Insecticidas | EcotoxicologíaTema(s) en inglés: Scaptotrigona mexicana | Stingless bees | Honey bee | Pollinators | Euribiidae | Spinosad | Insecticides | Environmental toxicologyDescriptor(es) geográficos: El Zapotal, Mazatan (Chiapas, México) | Santa Elena, Mazatan (Chiapas, México)Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Economic Entomology. Volumen 111, número 4 (August 2018), páginas 1711-1715. --ISSN: 0022-0493Número de sistema: 59105Resumen:
Inglés

Despite their relevant contribution to the conservation of tropical ecosystems and crop productivity through pollination, the stingless bees (Apidae: Meliponini) can be considered a group of neglected species in the assessment of pesticides upon nontarget organisms. In this article, we evaluated the effect of aerial sprays of the spinosad-based fruit fly toxic bait GF-120 upon colonies of the stingless bee Scaptotrigona mexicana Guérin (Hymenoptera: Apidae), an economically important and abundant species in some landscapes of Mexico, located in mango orchards. Colonies of the honey bee Apis mellifera L. (Hymenoptera: Apidae) were used for comparison. Eight colonies (four of A. mellifera and four of S. mexicana ) were moved into each of two mango orchards, one was used as a control, with no insecticide application, and other received five weekly aerial sprays of GF-120. Foraging activity and strength of colonies of both species were measured nine times over the fruiting season, previous, during and after insecticide application. We did not find a significant difference in foraging activity and strength between exposed and control colonies of A. mellifera during the observation period. However, colonies of S. mexicana seemed to be affected by the exposure, as revealed by a reduction in colony strength. However, 1 yr later, with no insecticide applications, the colonies of both species were evaluated and found to be in good conditions. Our results showed that weekly aerial sprays of GF-120 are unlikely to generate acute poisoning in both species, even if in acute toxicity tests this product has been found to be highly active.

Recurso en línea: https://academic.oup.com/jee/article/111/4/1711/5032488
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Disponible para usuarios de ECOSUR con su clave de acceso

Despite their relevant contribution to the conservation of tropical ecosystems and crop productivity through pollination, the stingless bees (Apidae: Meliponini) can be considered a group of neglected species in the assessment of pesticides upon nontarget organisms. In this article, we evaluated the effect of aerial sprays of the spinosad-based fruit fly toxic bait GF-120 upon colonies of the stingless bee Scaptotrigona mexicana Guérin (Hymenoptera: Apidae), an economically important and abundant species in some landscapes of Mexico, located in mango orchards. Colonies of the honey bee Apis mellifera L. (Hymenoptera: Apidae) were used for comparison. Eight colonies (four of A. mellifera and four of S. mexicana ) were moved into each of two mango orchards, one was used as a control, with no insecticide application, and other received five weekly aerial sprays of GF-120. Foraging activity and strength of colonies of both species were measured nine times over the fruiting season, previous, during and after insecticide application. We did not find a significant difference in foraging activity and strength between exposed and control colonies of A. mellifera during the observation period. However, colonies of S. mexicana seemed to be affected by the exposure, as revealed by a reduction in colony strength. However, 1 yr later, with no insecticide applications, the colonies of both species were evaluated and found to be in good conditions. Our results showed that weekly aerial sprays of GF-120 are unlikely to generate acute poisoning in both species, even if in acute toxicity tests this product has been found to be highly active. eng

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