Changing scenario of insect pests of potato in Satpura plateau of Madhya Pradesh

Some insect pests which were observed sporadically on potato have now assumed the status of regular pests due to changing cropping pattern in Satpura plateau of Madhya Pradesh. Different solanaceous and cruciferous vegetables and crops like soybean, sunflower, maize; groundnut etc. grown in the area are the main hosts of these insects pest. Holotrichia consanguinea Blanchard, Bagrada cruciferarum Kirkaldy Lipaphis erysimi Kaltenbach from cauliflower, cabbage and musturd; Aphis craccivora Koch from beans and Thrips tabaci Lind. from onion while defoliators like Helicoverpa armigera Hubner from gram, sunflower and maize are observed to migrate on potato. Changed status of potato pests, their period of occurrence, extent of damage and major host plants are discussed in this paper.