... extent by cutting out and burning affected branches before the end of the dry season, so that there are few sources of infection at the beginning of the rains. Mango hoppers suck the young shoots ... especially inflorescences; they can ruin even a heavy bloom. Control using insecticides is diffi-cult and depends on correct timing at the beginning of the flush. This is only possible if all the ... pests, including mag-gots, leafhoppers, caterpillars and psyllids. The white film on the leaves confuses or repels some insects and acts as a barrier preventing other insects from laying their...