D. J.  Greathead, ?An east african parasite ( Aphytis roseni DeBach and Gordh, Aphelinidae) for the control of Selenaspidus articulatus Morgen (Diaspididae) in Peru?, East African Agricultural and Forestry Journal, vol. 4l, p. 349, 1978.

D. J.  Greathead and Bennett, F. D., ?Possibilities for the use of biotic agents in the control of the whitefly, Bemisia tabaci ?, Biocontrol News and Information, vol. 2, p. Jul-13, 1981.