Fennah, R.G. 1960 The water status of the host plant in relation to attack by sucking insects in the humid tropics.. Report of the Seventh Commonwealth Entomological Conference, 6th-15th July 1954. Commonwealth Institute of Entomology London 399 pp.
Notes: The pest species discussed include Coccus viridis, Lepidosaphes beckii, L. gloveri and Pinnaspis strachani.