Brooks, A.V., Halstead, A.J., Smith, P.M., & Evans, E.J. 1989 Pests and diseases of outdoor ornamentals, including hardy nursery stock, bedding plants and turf.. Pest and Disease Control Handbook. The British Crop Protection Council/Blackwell Science Surrey, England 732 pp.
Notes: Aulacaspis rosae, Carulaspis sp., Chionaspis salicis, Chloropulvinaria floccifera, Coccus hespiridum, Cryptococcus fagisuga, Parthenolecanium corni, Pulvinaria regalis, Unaspis euonymi and U. japonicus are among the species discussed in this chapter.