This document discusses several major insect pests that affect sugarcane crops. It describes 24 insect pests that can cause heavy losses in sugarcane yields and quality. Some of the key pests covered include the Chilo infuscatellus borer, Scirpophaga nivella borer, Holotrichia serrata beetle, Odontotermes obesus termite, Melanapis glomerata scale, and Ripersia sacchari mealybug. For each pest, the document discusses their scientific classification, life cycle, symptoms of damage caused, and integrated pest management strategies that can be used for control.