This department which acquires its position under plant protection that is involved in study of various types of insects, their classification, identification and their harmful effects on various field and horticultural crops. Beneficial insects viz. silkworm, Honeybee, Lac, Parasite, Predator their multiplication and their use in crops protection under ecofriendly conditions. Insecticides their effect on crop pests and knowledge of various plant protection equipments, their use and maintenance. To study the ecofriendly management of insect pests also deals with biological conservation.