citrus fruits damaged by sphereical mealybug

agriculture ant basin biological check citri citrus clementine coccidae control crop damage damaged dangerous entomology environment farmer food fruit fruits garden grapefruit green harvesting healthy homoptera insects juicy leaf lemon mandarin mealybug mediterranean natural nature nipaecoccus orange orchard pest planococcus plant plantation protection pseudococcidae quality ripe scale season sphereical spherical supervisor tree trees tropical unripe viridis