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Influence of methoprene on pheromone emission and sexual maturation of Anastrepha obliqua (Diptera: Tephritidae) males

Muñoz Barrios, Rodolfo | Cruz López, Leopoldo Caridad [autor/a] | Rojas, Julio C [autor/a] | Hernández Ortiz, Emilio [autor/a] | Liedo Fernández, Pablo [autor/a] | Gómez Simuta, Yeudiel [autor/a] | Malo, Edi A [autor/a].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Anastrepha obliqua | Moscas de la fruta | Metopreno | Madurez sexual | Análogos sintéticos de hormonas juvenilesTema(s) en inglés: Anastrepha obliqua | Fruit flies | Methoprene | Sexual maturity | Juvenile hormone analogNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Economic Entomology. volumen 109, número 2 (April 2016 ), páginas 637-643. --ISSN: 1938-291XNúmero de sistema: 58101Resumen:
Inglés

It has been demonstrated that the application of juvenile hormone analog, methoprene, reduces the time required for sexual maturation and enhances mating success in several species of tephritid fruit flies. This study examined the effect of different concentrations of methoprene incorporated into the diet of adult flies and distinct sugar:protein (S:P) ratios on sexual maturity and pheromone emission of Anastrepha obliqua males. Diets with 0.2 and 0.5% of methoprene accelerated sexual maturation of males compared with untreated males. In subsequent assays, the enhancement of male pheromone emission and sexual maturation by the incorporation of 0.02% methoprene into a 24:1 (S: P) diet was confirmed. Among the volatiles released by males, (Z)-3-nonenol and (Z,Z)-3,6-nonadienol were emitted at higher quantities by flies treated with methoprene than untreated ones. The results show that methoprene accelerates sexual maturation of mass-reared A. obliqua males and in- creases their mating propensity. This would reduce the time required to attain sexual maturation by sterile males, thus decreasing fly handling costs and improving the efficacy of the sterile insect technique.

Recurso en línea: https://academic.oup.com/jee/article-lookup/doi/10.1093/jee/tov404
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It has been demonstrated that the application of juvenile hormone analog, methoprene, reduces the time required for sexual maturation and enhances mating success in several species of tephritid fruit flies. This study examined the effect of different concentrations of methoprene incorporated into the diet of adult flies and distinct sugar:protein (S:P) ratios on sexual maturity and pheromone emission of Anastrepha obliqua males. Diets with 0.2 and 0.5% of methoprene accelerated sexual maturation of males compared with untreated males. In subsequent assays, the enhancement of male pheromone emission and sexual maturation by the incorporation of 0.02% methoprene into a 24:1 (S: P) diet was confirmed. Among the volatiles released by males, (Z)-3-nonenol and (Z,Z)-3,6-nonadienol were emitted at higher quantities by flies treated with methoprene than untreated ones. The results show that methoprene accelerates sexual maturation of mass-reared A. obliqua males and in- creases their mating propensity. This would reduce the time required to attain sexual maturation by sterile males, thus decreasing fly handling costs and improving the efficacy of the sterile insect technique. eng

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