McClure, M.S. 1990d 1.4.2.3 Patterns of host specificity.. Armored Scale Insects, Their Biology, Natural Enemies and Control [Series title: World Crop Pests, Vol. 4A]. Elsevier Amsterdam, The Netherlands 384 pp.

Notes: Polyphagy, colonization behavior and fitness, and the expansion of host range are topics discussed in this section. Species mentioned include Aspidiotus nerii, Carulaspis carueli, C. juniperi, C. visci, Fiorinia externa, Quadraspidiotus ostraeformis, Q. perniciosus, Kuwanaspis, Lepidosaphes beckii, L. gloverii, Nuculaspis tsugae and Parlatoria pergandii.