EFFICIENCY OF PREDATION Exochomus nigromaculatus (COLEOPTERA: COCCINELLIDAE) ON DIFFERENT DENSITIES OF CITRUS MEALYBUG NYMPHAS Nipaecoccus viridis (HEMIPTERA: PSEUDOCOCCIDAE): EFFICIENCY OF PREDATION Exochomus nigromaculatus (COLEOPTERA: COCCINELLIDAE) ON DIFFERENT DENSITIES OF CITRUS MEALYBUG NYMPHAS Nipaecoccus viridis (HEMIPTERA: PSEUDOCOCCIDAE). IJMRCP. 2025;17(2):211-222. Accessed October 9, 2025. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/529