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Superparasitism in the fruit fly parasitoid diachasmimorpha longicaudata (Hymenoptera: Braconidae) and the implications for mass rearing and augmentative release

Por: Montoya Gerardo, Pablo Jesús. Doctor [autora].
Pérez Lachaud, Gabriela [autora] | Liedo Fernández, Pablo [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): Moscas de la fruta | Opius longicaudatus | Parasitoides | Control biológico de plagasNota de acceso: Acceso en línea sin restricciones En: Insects. Volumen 3, número 4 (September 2012), páginas 900-911. --ISSN: 2075-4450Número de sistema: 36571Resumen:
Inglés

Superparasitism, a strategy in which a female lays eggs in/on a previously parasitized host, was attributed in the past to the inability of females to discriminate between parasitized and non-parasitized hosts. However, superparasitism is now accepted as an adaptive strategy under specific conditions. In fruit fly parasitoids, superparasitism has mainly been studied as concerns the new association between Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) and the Mexican fruit fly Anastrepha ludens (Loew) (Diptera: Tephritidae), wherein this phenomenon is a common occurrence in both mass rearing and field conditions. Studies of this species have shown that moderate levels of superparasitism result in a female-biased sex ratio and that both massreared and wild females superparasitize their hosts without detrimental effects on offspring demographic parameters, including longevity and fecundity. These studies suggest that superparasitism in this species is advantageous. In this paper, we review superparasitism in D. longicaudata, discuss these findings in the context of mass rearing and field releases and address the possible implications of superparasitism in programs employing augmentative releases of parasitoids for the control of fruit fly pests.

Recurso en línea: https://doi.org/10.3390/insects3040900
Lista(s) en las que aparece este ítem: Gabriela Pérez Lachaud
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Acceso en línea sin restricciones

Superparasitism, a strategy in which a female lays eggs in/on a previously parasitized host, was attributed in the past to the inability of females to discriminate between parasitized and non-parasitized hosts. However, superparasitism is now accepted as an adaptive strategy under specific conditions. In fruit fly parasitoids, superparasitism has mainly been studied as concerns the new association between Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) and the Mexican fruit fly Anastrepha ludens (Loew) (Diptera: Tephritidae), wherein this phenomenon is a common occurrence in both mass rearing and field conditions. Studies of this species have shown that moderate levels of superparasitism result in a female-biased sex ratio and that both massreared and wild females superparasitize their hosts without detrimental effects on offspring demographic parameters, including longevity and fecundity. These studies suggest that superparasitism in this species is advantageous. In this paper, we review superparasitism in D. longicaudata, discuss these findings in the context of mass rearing and field releases and address the possible implications of superparasitism in programs employing augmentative releases of parasitoids for the control of fruit fly pests. eng

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