Scale and mealybug insects invade citrus orchards at Menoufia Governorate, Egypt.

A survey of insects infesting citrus orchards was conducted in Menoufia governorate at three localities during 2019. The most common insects were, cottony cushion scale, Icerya purchase, seychelles scale, Icerya seychellarum, comma scale, Lepidosaphes beckii, citrus black scale, Chrysomphalus aonidum, and red scale, Aonidiella aurantii. The obtained results revealed no infestation was recorded along with July and August of Icerya (Mealybugs) insects. However, there were two peaks recorded in May and November, as well as the highest averages were recorded in Tala center while the lowest were recorded in Alshohadaa center, moreover Shebin Elkom center occupied intermediate status between the two centers. There were no mealybugs insects during July and August, but the highest average numbers were recorded in May. Tala center orchard has the highest population of tested insects on Naval Orange along with the experiment. There were no Chrysomphalus aonidum insects at Shebin Elkom and Alshohadaa of Balady mandarin orchards during year months. Tala and Shebin Elkom orchards have similar numbers but Alshohadaa has smaller averages. Shebin Elkom orchard has the highest infection with Lepidosaphes beckii, and Aonidiella aurantia, while Alshohadaa has the least numbers. It could be recommended that control of these pests must be done along with June, July, and August, where the least population of insects.