Tamaki, Y. 1997 1.1.2.5 Chemistry of the Test Cover.. Soft Scale Insects: Their Biology, Natural Enemies and Control [Vol. 7A]. Elsevier Amsterdam & New York 55-72.

Notes: Covers relative weight of the test or cover, composition of the waxy materials, composition of body lipids, composition of the aqueous materials, and mode of secretion. Species mentioned include Aonidiella aurantii, Asterococcus muratae, Callococcus acaciae, Chrysomphalus aonidum, Ceroplastes albolineatus, C. ceriferus, C. destructor, C. japonicus, C. rubens, C. pseudoceriferus, Dactylopius coccus, D. confusus, Drosicha corpulenta, Ericerus pela, Eulecanium cerasorum, Icerya purchasi, Kermes ilicis, Kerria lacca, Lecanodiaspis quercus, Parthenolecanium corni, Pseudaulacaspis pentagona, Pseudococcus comstocki, Pulvinaria horii, Unaspis eunonymi, U. yanonensis and Tachardina theae.