Studies on preying potential of lady bird beetle (Coccinella septempunctata L.) in relation to mustard aphid (Lipaphis erysimi Kaltenbach)

Department of Agricultural Entomology, Udai Pratap Autonomous College, Varanasi, U.P.-221002

*Email: kuldeepsingh153@gmail.com

Department of Entomology & Ag. Zoology, Institute of Agril. Sciences, B.H.U., Varanasi