European Journal of Entomology (2008) 105, 541-544

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D.C. Kontodimas, G.J. Stathas and A.F. Martinou (2008)
The aphidophagous predator Harmonia axyridis (Coleoptera: Coccinellidae) in Greece, 1994-1999
European Journal of Entomology 105 (3), 541-544
Abstract: During the years 1994-1999, several hundreds of thousands of H. axyridis adults were released at various cultivations infested by aphids (citrus, vegetable and bean crops, maize etc.) and on ornamental plants in urban settings in central and southern Greece (mainly Attica and Peloponessos region) as well as on several islands. Between 1995-1999, spring sampling was conducted in some areas, just prior to releases, in order to determine if H. axyridis overwintered in the field. No presence of H. axyridis was recorded in any of the orchards where the predator had been released save in spring of 1998 and 1999 when small colonies (<50 individuals) of overwintered H. axyridis adults were observed in the Attica region. The above results suggest an inability of released H. axyridis populations to establish in Greece, although in some areas this species became an important biocontrol agent during the growing season.
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Database assignments for author(s): Dimitris C. Kontodimas, Angeliki F. Martinou

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
inundative/inoculative release

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Aphis gossypii Citrus (genus) Greece
Myzus persicae Apricot (Prunus armeniaca) Greece
Aphis fabae Greece
Acyrthosiphon pisum Greece
Rhopalosiphum padi Maize/corn (Zea mays) Greece
Hyalopterus pruni Greece
Macrosiphum rosae Greece
Nasonovia ribisnigri Greece
Aphis spiraecola Citrus (genus) Greece
Aphis aurantii Citrus (genus) Greece
Dysaphis crataegi Greece
Harmonia axyridis (predator) Aphis gossypii Citrus (genus) Greece
Harmonia axyridis (predator) Myzus persicae Apricot (Prunus armeniaca) Greece
Harmonia axyridis (predator) Aphis fabae Greece
Harmonia axyridis (predator) Acyrthosiphon pisum Greece
Harmonia axyridis (predator) Rhopalosiphum padi Greece
Harmonia axyridis (predator) Hyalopterus pruni Greece
Harmonia axyridis (predator) Macrosiphum rosae Greece
Harmonia axyridis (predator) Nasonovia ribisnigri Greece
Harmonia axyridis (predator) Aphis spiraecola Citrus (genus) Greece
Harmonia axyridis (predator) Aphis aurantii Citrus (genus) Greece
Harmonia axyridis (predator) Dysaphis crataegi Greece