The hairy rose beetle. Tropinota squaiida Scop. (Coleoptera: Coccinellidae)
is one of the most serious pests of several different crops. Orange crop which
infesting by this pest is a delicious and popular fruit in Egypt as well as it has a great
nutritional value. Occurrence and distribution of this pest on orange trees (Citrus
sinensis) were studied thrOUghout two seasons (2002 and 2003). Results proved the
beetles prefered the southern sites of the orange trees than that other three
geographical directions. On the other hand, the least numbers of this pest were
observed on the western sides of trees.
Also, sunny sides of the orange trees harboured more individuals of this pest
than shady ones not only in the morning but also at afternoon.