Stavraki, H.G. 1977, Results obtained from released of the oophagous parasites Trichogramma spp. against Prays oleae Bern. (Lep. Hyponomeutidae) over a four year period in Greece. Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent
42:1361-1371
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Keywords: Biological control
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