Singh, C. 1964 Temperate fruits pests.. Entomology in India ["A special number of the Indian Journal of Entomology"]. The Entomological Society of India New Delhi 529 pp.
Notes: Quadraspidiotus perniciosus is discussed as a pest of apple, pear and other temperate fruits. Other species mentioned include Aonidiella aurantii, A. orientalis, Chrysomphalus dictyospermi, Duplaspidiotus tesseratus, Eulecanium (Lecanium) coryli, Hemiberlesia lataniae, H. rapax, Howardia biclavis, Parlatoria cinerea, P. oleae and Pseudaulacaspis (Diaspis) pentagona.