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Effect of Metarhizium anisopliae (Hypocreales: Clavicipitaceae) on food consumption and mortality in the Mexican fruit fly, Anastrepha ludens (Diptera: Tephritidae)

Por: Toledo Hernández, Ricardo Alberto. Doctor [autor].
Toledo, Jorge [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): Anastrepha ludens | Moscas de la fruta | Metarhizium anisopliae | Hongos entomopatógenos | Control biológico de plagasTema(s) en inglés: Anastrepha ludens | Fruit flies | Metarhizium anisopliae | Entomopathogenic fungi | Pest control biologicalNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: International Journal of Tropical Insect Science. Volumen 38, número 3 (September 2018), páginas 254-260. --ISSN: 1742-7592Número de sistema: 58944Resumen:
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Anastrepha ludens (Loew) (Diptera: Tephritidae) is an important pest of mango and citrus in Mexico. Here, we report the effect of the entomopathogenic fungus Metarhizium anisopliae (Metsch.) Sorokin strain MAAP1 on mortality and food consumption in A. ludens adults. Experiments were carried out under laboratory conditions at 26 ± 2 °C, 60 ± 5% RH and 12:12 photoperiod. To assess pathogenicity and sublethal effects, we sprayed flies with 1 × 109 conidia/ml and 1 × 106 conidia/ml solutions, respectively. Food consumption was measured by providing known amounts of food through capillary tubes to caged flies. We found that M. anisopliae was highly virulent to A. ludens, causing 92.3 ± 0.62% mortality at day 13 post-exposure. Interestingly, food consumption reduced by 17% in flies exposed to the fungus. These results support the implementation of M. anisopliae within current strategies used for the integrated pest management of A. ludens.
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Disponible para usuarios de ECOSUR con su clave de acceso

Anastrepha ludens (Loew) (Diptera: Tephritidae) is an important pest of mango and citrus in Mexico. Here, we report the effect of the entomopathogenic fungus Metarhizium anisopliae (Metsch.) Sorokin strain MAAP1 on mortality and food consumption in A. ludens adults. Experiments were carried out under laboratory conditions at 26 ± 2 °C, 60 ± 5% RH and 12:12 photoperiod. To assess pathogenicity and sublethal effects, we sprayed flies with 1 × 109 conidia/ml and 1 × 106 conidia/ml solutions, respectively. Food consumption was measured by providing known amounts of food through capillary tubes to caged flies. We found that M. anisopliae was highly virulent to A. ludens, causing 92.3 ± 0.62% mortality at day 13 post-exposure. Interestingly, food consumption reduced by 17% in flies exposed to the fungus. These results support the implementation of M. anisopliae within current strategies used for the integrated pest management of A. ludens. eng

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