Insecticidal Efficiency of Some Insect Growth Regulators (Igrs) and Plant Oils Against the Seychellarum Mealybug, Icerya Seychellarum and the Striped Mealybug, Ferrisia Virgata Infesting Guava Trees

Abstract

Guava trees are subjected to infestation by different pests. Among these pests, the mealybug, Icerya seychellarum (Westwood) (Homoptera: Monophlebidae) and the striped mealybug, Ferrisia virgata (Cockerell) (Homoptera: Pseudococcidae) are considered one of the most main destructive pests of guava trees Sayed