Artificial selection on mating competitiveness of Anastrepha ludens for sterile insect technique application
The sterile insect technique (SIT) has been applied successfully for the control of several fruit fly species of economic importance. In species with lek mating systems, as in the Mexican fruit fly, Anastrepha ludens (Loew) (Diptera: Tephritidae) - where the variance in male mating success is high, males have to compete with other males, and where wild females are highly selective - the success of SIT depends on the sexual competitiveness of mass-reared sterile males. However, mass-rearing conditions result in selection of sexual behavioral traits that differ from wild flies, reducing mating competitiveness of sterile flies and SIT efficiency. Artificial selection in mass-rearing colonies, based on male mating success, represents an alternative to improve the sexual performance of sterile males. Here, we evaluated the effect of selection of A. ludens mass-reared males based on their mating competitiveness. Two modes of selection were compared, one single selection event on parental flies, and continuous selection along four consecutive generations. For the offspring of each treatment in each generation, we evaluated male mating success, its association with post-copulatory behavior through female remating inhibition, and life-history traits that are key for mass-rearing, such as immature survival and reproduction.
Main Authors: | Sánchez Rosario, Mayren Doctora autora 13102, Pérez Staples, Diana autora 12373, Toledo, Jorge Doctor autor 5445, Valle Mora, Javier Francisco Maestro autor 10513, Liedo Fernández, Pablo Doctor autor 67 |
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Format: | Texto biblioteca |
Language: | eng |
Subjects: | Anastrepha ludens, Moscas de la fruta, Conducta sexual en los animales, Fertilidad, Técnica del insecto estéril, Control de plagas, |
Online Access: | http://onlinelibrary.wiley.com/doi/10.1111/eea.12540/full |
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