Scale Insects and Mealybugs Infesting Mango Trees in Egypt : Economic Entomology

The present investigation was carried out to follow up the population fluctuations of these Coccoidea on mango trees under the conditions of Esna district, Qena Governorate, A.R. of Egypt. There are four different scale insects and one mealybugs species infested mango trees at Esna district. These species are Insulaspis pallidula, Aonidiella aurantii, Kilifia acuminata, Pulvinaria psidii and mealybugs, Icerya seychellarum. The Maskell scale insect, Insulaspis pallidula, had four generations, which were recorded in May, July, October and December in the two years of investigation. While, the California red scale insect, Aonidiella aurantii had four generations (April, June, October and December) in the two years of investigation. As well as, the Acuminata scale, Kilifia acuminata had two generations in June and November in the two years of investigation. Whereas, The Seychelles fluted scale, Icerya seychellarum had three generations in May, August and October in the two years of investigation.