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The colonization and success in greece of some importedAphytis spp. [Hym. aphelinidae] parasitic on citrus scale insects [Hom. Diaspididae]

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Résumé

Quatre espèces d'Aphytis ont été introduites dans le Sud de la Grèce fin 1962 et début 1963 en vue de compléter l'action des ennemis naturels contre plusieurs cochenilles diaspines ennemies desCitrus. Plusieurs milliers de femelles de chacune des espèces suivantes:Aphytis melinus DeBach,A. lingnanensis Compere etA. coheni DeBach ont été libérées dans des fortes infestations deAonidiella aurantii Maskell etChrysomphalus dictyospermi (Morgan).Aphytis lepidosaphes a été introduit contreLepidosaphes beckii (Newmann).A. lingnanensis etA. coheni ne se sont pas établis.A. melinus s'est par contre installé dans les divers points de lâchers du Péloponnèse et de la Crète et a ramené rapidement les populations deA. aurantii etC. dictyospermi à de faibles niveaux si bien qu'en 1965, ces cochenilles étaient très rares dans les foyers originaux de libération.A. melinus s'établit également surAspidiotus hederae sur Olivier et Citronnier; sa dispersion fut efficace et rapide, couvrant de 75 à 100 km par an. Il semble en train de supplanterA. chrysomphali (Mercet), espèce présumée indigène.Aphytis lepidosaphes s'est installé à la suite d'un très petit lâcher de 85 femelles seulement à Trejenia (Péloponnèse) et 20 femelles seulement à Gerani (Crète). En 1965, il avait réduit à de bas niveaux des populations hôtes antérieurement fortes. Son expansion a été plus faible que celle deA. melinus. Les perspectives d'une lutte biologique efficace apparaissent très favorables dans le Sud de la Grèce pour les 3 principales cochenilles considérées.

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References

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Author notes

  1. P. DeBach (Professor of Biological Control and Entomologist)

    Present address: Department of Biological Control, University of California Citrus Research Center and Agricultural Experiment Station, Riverside

  2. Loukia C. Argyriou (Entomologist)

    Present address: Benaki Phytopathological Institute, Kiphissia, Athens, Greece

Authors and Affiliations

  1. Department of Biological Control, University of California Citrus Research Center and Agricultural Experiment Station, Riverside

    Loukia C. Argyriou (Entomologist)

  2. Benaki Phytopathological Institute, Kiphissia, Athens, Greece

    P. DeBach (Professor of Biological Control and Entomologist)

Authors
  1. P. DeBach
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  2. Loukia C. Argyriou
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Additional information

Paper no. 1800, University of California Citrus Research Center and Agricultural Experiment Station, Riverside, California. This study was made possible by the appointment of the senior author as a Fulbright Research Scholar at the Benaki Phytopathological Institute, Kiphissia, Athens, Greece. Support for a portion of these studies was given by NSF Grant G-20870. The authors gratefully acknowledge the help of Dr. Christos Yamvrias of the Benaki Institute who made some of the colonizations and recovery attempts. Thanks are due to Mr. E. B. White, Department of Biological Control, University of California, Riverside, who made the shipments of parasites from Riverside, and to the Cyprus-Palestine Plantation Company Insectary at Limassol, Cyprus for a shipment of 14,000Aphytis lingnanensis in June 1963.

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DeBach, P., Argyriou, L.C. The colonization and success in greece of some importedAphytis spp. [Hym. aphelinidae] parasitic on citrus scale insects [Hom. Diaspididae]. Entomophaga 12, 325–342 (1967). https://doi.org/10.1007/BF02376919

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