Delucchi, V., Rosen, D., & Schlinger, E.I. 1976 Relationship of systematics to biological control.. Theory and Practice of Biological Control. Academic Press New York 788 pp.

Notes: Aonidiella aurantii, Chrysomphalus aonidum, Parlatoria oleae, P. pergandii, Planococcus kenyae, Quadraspidiotus perniciosus and Saissetia oleae have been mentioned as examples of the value of systematics.