Davidson, N.A., Dibble, J.E., Flint, M.L., Marer, P.J., & Guye, A. 1991 Managing insects and mites with spray oils.. Publication (IPM Education and Publications, University of California) 3347: 47 pp.

Notes: California red scale (Aonidiella aurantii) and San Jose scale (Quadraspidiotus perniciosus) are mentioned and illustrated. Other species listed in a table by host plants include Aspidiotus nerii, Carulaspis juniperi, Chionaspis pinifoliae, Coccus hesperidum, Epidiaspis leperii, Hemiberlesia lataniae, H. rapax, Lecanium corni, Lepidosaphes conchiformis, Parthenolecanium corni, Pseudococcus maritimus, P. obscurus, Pulvinaria innumerabilis, Saissetia oleae and Unaspis euonymi.