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). (2025). Iraqi Journal of Market Research and Consumer Protection, 17(2), 211-222. https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/529