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Etude sur les espèces nord-américaines de Trichogramma Westwood (Hymenoptera : Trichogrammatidae) pour contrôler la pyrale indienne de la farine, Plodia interpunctella (Hübner, Lepidoptera : Pyralidae).

Screening of North American species of Trichogramma Westwood (Hymenoptera: Trichogrammatidae) for control of the Indian meal moth, Plodia interpunctella (Hübner, Lepidoptera: Pyralidae).

Auteurs : SCHÖLLER M., FIELDS P.

Résumé

Information on Neartic Trichogramma species is compiled in order to find candidates for the biological control of stored-product moths, especially the Indian meal moth Plodia interpunctella. The authors evaluate experimentally four species of Trichogramma native to North America: T. deion, T. minutum (2 strains), T. pretiosum (2 strains), T. sibericum, and the Palaeartic introduction T. brassicae as candidates. Previous studies indicated that the Indian meal moth is least-preferred among the stored-product moths, so the authors use this species as target host. They perform the indirect Hassan-test for host preference between the mass-rearing host E. kuehniella and the target host P. interpunctella, and the performance at 15°C. The preparation of Trichogramma spp. in Canada balsam is also described.

Détails

  • Titre original : Screening of North American species of Trichogramma Westwood (Hymenoptera: Trichogrammatidae) for control of the Indian meal moth, Plodia interpunctella (Hübner, Lepidoptera: Pyralidae).
  • Identifiant de la fiche : 2006-3008
  • Langues : Anglais
  • Source : Advances in stored product protection. Proceedings of the 8th International Working Conference on Stored Product Protection.
  • Date d'édition : 22/07/2002

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