Bjorking, L.B., & Spry, R. 1977 Control practices of Cochliotis melolonthoides (Gerst); Eldana saccharina (Wlk) and Aulacaspis tegalensis (Zehnt); three important pests at T.P.C. Limited, Tanzania.. Advances in Medical, Veterinary and Agricultural Entomology in Eastern Africa. Proc. 1st E.A. Conf. on Entomology and Pest Control. East African Literature Bureau (Kenya) Nairobi, Kenya 180 pp.
Notes: Combined yield losses caused by these pests vary from one season to another and so do their relative economic importance. Estimates range from 10% to 15% loss. Control practices for Aulacaspis sp. is limited to biological and cultural methods.