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The use of Harmonia axyridis larvae (Coleoptera: Coccinellidae) against Macrosiphum rosae (Hemiptera: Sternorrhyncha: Aphididae) on rose bushes

, : The use of Harmonia axyridis larvae (Coleoptera: Coccinellidae) against Macrosiphum rosae (Hemiptera: Sternorrhyncha: Aphididae) on rose bushes. European Journal of Entomology, 931: 59-67

In studies in France, 3rd- and 4th-instar larvae of Harmonia axyridis were released in spring into rose beds infested by Macrosiphum rosae. These releases induced stabilization or a decrease in the aphid population. Their effectiveness was comparable with that of chemical treatments carried out in neighbouring rose beds and the subsequent development of aphid populations was the same after these two types of treatments.


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