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1. Sharma H.C. and Agarwal R.A (1978). Effect of some antibiotic compounds in gossypium on the post-embryonic development of spotted bollworm (Earias vittella). Entomologia Experimentalis et Applicata Volume 31, Numbers 2-3, 225-228..
2. Singh S.P., Ballal C.R., Poorani J. Old world bollworm Helicoverpa armigera, associated Heliothinae and their natural enemies. Project Directorate of Biological Control. Bangalore. India. Technol. Bull. 2002. N. 31. 135 p.