Rawat, U.S., Thakur, J.N., & Pawar, A.D. 1988a Role of natural enemies in the integrated pest control of San José scale and woolly aphid in Himachal Pradesh.. Integrated Pest Control: Progress and Perspectives. Association for Advancement of Entomology Kariavattom, Trivandrum, India 548 pp.
Notes: [Proceedings of the National Symposium held at Trivandrum, India, October 15-17, 1987.] This paper discusses the natural enemies of these apple pests.