The optimal timing for spraying against the persimmon mealybug is during the emergence period of overwintering nymphs and the late peak hatching stage of each generation's eggs.

The control technique for the persimmon mealybug is to apply pesticide during the emergence period of overwintering nymphs and the late peak hatching stage of each generation's eggs. The persimmon mealybug [Asiacornoccus kaki (Kuwana)], also known as persimmon cottony scale, persimmon felt scale, persimmon felted scale, persimmon mealybug, and persimmon louse, belongs to the order Homoptera...