Koebele, A. 1890 Report of a trip to Australia made under direction of the entomologist to investigate the natural enemies of the fluted scale.. United States Department of Agriculture, Division of Entomology, Bulletin No. 21: 1-32.

Notes: [Also titled: Report of the fluted scale of the orange and its natural enemies in Australia.] Enemies of Icerya purchasi and other scale species such as Aspidiotus aurantii, Ceroplastes sp., Eriococcus eucalypti, Lecanium oleae, Mytilaspis gloverii and M. pomorum are discussed.