1. Anonymous . 1991.Integrated pest management for citrus, Publication 3303 144Berkeley: University of California, Division of Agriculture Natural Resources.
2. Beattie , G. A. C. and Gellatley , J. G. 1983.Mite pests of citrus. Agfact H2.AE.3, 6New South Wales: Department of Agriculture.
3. Phytotoxicity of petroleum spray oils to Valencia orange, Citrus sinensis (L.) Osbeck, in New South Wales
4. Croft , B. A. 1990.Arthropod biological control agents and pesticides, 723New York: Wiley.