Dodge, B.O., & Rickett, H.W. 1943 . Diseases and Pests of Ornamental Plants. Jaques Cattell Press Lancaster, PA 638 pp.
Notes: Among insect pests mentioned are Pseudococcus citri, P. adonidum, Orthezia insignis, Chionaspis americana, Gossyparia spuria and Lepidosaphes ulmi.