2005
DOI: 10.1016/j.crvi.2005.06.003
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Capacité de reproduction des femelles Eupelmus vuilleti (Eupelmidae), inséminées par des mâles développés en hyperparasitoïdes de Dinarmus basalis (Pteromalidae)

Abstract: Eupelmus vuilleti est un ectoparasitoïde primaire et solitaire des stades larvaires de Bruchidae (Callosobruchus maculatus, Bruchidius atrolineatus). En présence d'une forte compétition pour les hôtes sains, E. vuilleti a un comportement ovicide ou larvicide vis-à-vis du Pteromalidae D. basalis en développement (cleptoparasitisme) ; l'expression extrême du cleptoparasitisme conduit les femelles de E. vuilleti à hyperparasiter le dernier stade larvaire (stade L5) de D. basalis. Dans ce travail, on a comparé la … Show more

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Cited by 6 publications
(5 citation statements)
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“…bruchid L4 or pupae. Under these experimental conditions, the D. basalis virgin females were able to hyperparasitize the D. basalis L5 larvae hosts However, future research should investigate the behaviour of inseminated D. basalis females under unfavourable conditions, particularly in view of the fact that the progeny of hyperparasitized inseminated Eupelmus vuilleti females are largely male ( Rojas-Rousse et al 2005 ). Since D. basalis hyperparasitoid larvae feed externally, no special adaptations may be needed to attack the primary parasitoid ( Godfray 1994 ).…”
Section: Methodsmentioning
confidence: 97%
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“…bruchid L4 or pupae. Under these experimental conditions, the D. basalis virgin females were able to hyperparasitize the D. basalis L5 larvae hosts However, future research should investigate the behaviour of inseminated D. basalis females under unfavourable conditions, particularly in view of the fact that the progeny of hyperparasitized inseminated Eupelmus vuilleti females are largely male ( Rojas-Rousse et al 2005 ). Since D. basalis hyperparasitoid larvae feed externally, no special adaptations may be needed to attack the primary parasitoid ( Godfray 1994 ).…”
Section: Methodsmentioning
confidence: 97%
“…In this extreme situation, E. vuilleti and E. orientalis females, living sympatrically with D. basalis, are able to express facultative hyperparasitism when confronted by hosts parasitized by conspecific or heterospecific females (Rojas-Rousse et al 1999; Rojas-Rousse et al 2005). Facultative hyperparasitism involves the development of the progeny as either primary or secondary parasitoids (Sullivan 1987).…”
Section: Introductionmentioning
confidence: 99%
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