légume (1) espèce (1) spectacle (1) saison (1) traitement (1) structure de la population (1) fruit (1) effet (1) taux (1) Control (1) Diseases and pests (1) Adversaries (1) Aphelinidae (1) Orius (1) Enemies (1) Aphidiidae (1) Aphelinus (1) Year (1) Syrphidae (1) Species (1) Proportion (1) Predatory animals (1) Population (1) Plants (1) Pests (1) Parasitism (1) Miridae (1) Manufactures (1) Potato aphid (1) Hymenoptera (1)