Symptoms of damage:

• Grub provide circular holes and mass of excreta
• Chewed up wood particles protruding out;
• Bark gnawed and leaves defoliated
• Shoots with circuitous galleries and the infested trees stunted

Identification of the pest:

• Grub: Creamy yellow with dark brown, flat head
• Adult:  Ashy grey beetle with numerous black tubercles at the base of elytra.

Management:

• Prune the branches containing grubs before they entered the tree trunk