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Article Dans Une Revue Journal of Insect Science Année : 2013

Impact of two ant species on egg parasitoids released as part of a biological control program

Résumé

Biological control using Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae), an egg parasitoid wasp, was tested in Uruguay to reduce populations of lepidopteran pests on soybeans. It was observed that the commercial parasitoid dispensers, which were made of cardboard, were vulnerable to small predators that succeeded in entering and emptying the containers of all the eggs parasitized by T. pretiosum. Observations in a soybean crop showed that the only small, common predators present were two ant species. The species responsible for the above mentioned predation was determined from the results of a laboratory experiment in which the behavior of the two common ants was tested. A modification of the dispensers to prevent introduction of this ant has been proposed and successfully tested in the laboratory and in the field.
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Dates et versions

hal-02650612 , version 1 (29-05-2020)

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Paternité - Partage selon les Conditions Initiales

Identifiants

  • HAL Id : hal-02650612 , version 1
  • PRODINRA : 219391
  • WOS : 000325418900002

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Alan Kergunteuil, Cesar Basso, Bernard Pintureau. Impact of two ant species on egg parasitoids released as part of a biological control program. Journal of Insect Science, 2013, 13 (106), pp.1-8. ⟨hal-02650612⟩
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