Department of Entomology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751003, Orissa, India.
* A part of Ph.D. thesis submitted by the first author to OUAT, Bhubanesear, Orissa Present Address: Krishi Vigyan Kendra, G. Udayagiri-762 100, Phulbani, Orissa, India.