Hoyt, S.C., & Caltagirone, L.E. 1971 The developing programs of integrated control of pests of apples in Washington and peaches in California.. Biological Control. Plenum Press New York & London 511 pp.
Notes: [Proceedings of an AAAS Symposium on Biological Control, held at Boston, Massachusetts December 30-31, 1969.] Aspidiotus perniciosus is mentioned as a pest on apple and Quadraspidiotus perniciosus on peach.