Singh, C.P.Arvind Kumar2019-11-272019-11-272005-07http://krishikosh.egranth.ac.in/handle/1/5810136283The present investigation was carried out at Medicinal Plant and Development Centre (MRDC), Pantnagar, during kharif and rabi season 2004-05, to study the population dynamics of insect pests associated with Basil (O. basilicum), Babchi (P. corylifolia) and Aswagandha (W. somnifera). The results showed that the Basol crop was attacked by seven insect pests i.e. leaf folder (C. medinalis), leaf webber (H. recurvalis), Tobacco caterpillar (S. litura), Beetle, bug, aphid and leaf hopper of which leaf folder and aphid caused major damage.The Babchi crop was attached by six insect pests i.e. Lemon butterfly (P. demolius) leaf miner (A. modeicella), American bollworm, (H. armigea), blue beetle (Halitica sp.), cow bug (O. oneratus) and leaf hopper which lemon butter fly and leaf miner were the major one cousing maximum damage.The Aswagandha was attacked by American bollworm (H. armigera), hadda beetle (E.vigintioctopunctata) aphid and cow bug (O.oneratus) out of which American bollworm and hadda beetle caused maximum damage during crop growth stage.ennullThesis