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Imported and indigenous natural enemies of citrus coccids and aphids in Cyprus, and an assessment of their potential value in integrated control programmes

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Résumé

L'application d'insecticides de contact sur lesCitrus à Chypre a apporté des perturbations à l'équilibre naturel si bien que certains insectes nuisibles ont pris une importance accrue et de sévères infestations d'insectes normalement sans importance sont survenues. Ceci est particulièrement sensible dans le cas des Coccides. La situation dans les cultures non traitées révèle de façon évidente que, à partLepidosaphes beckii newm., les cochenilles nuisibles ont des ennemis naturels capables d'assurer un contrôle économique en l'absence de facteurs adverses susceptibles de freiner leur activité. L'équilibre naturel du Pou rouge (Aonidiella aurantii mask) est très facilement bouleversé. Il devient spécialement dangereux quand les insecticides de contact sont utilisés.

Les ennemis les plus fréquents des Cochenilles desCitrus sont répertoriés. Dans quelques cas, l'importance relative des espèces attaquant certains insectes nuisibles dans des situations variées, est précisée. L'importation de 5 espèces d'Aphytis est notée.

L'intégration de la lutte chimique qui est nécessaire avec la lutte biologique est discutée. Enfin, les moyens de détermination des programmes de traitements sont esquissés.

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Authors
  1. B. J. Wood
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Wood, B.J. Imported and indigenous natural enemies of citrus coccids and aphids in Cyprus, and an assessment of their potential value in integrated control programmes. Entomophaga 8, 67–82 (1963). https://doi.org/10.1007/BF02381339

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