Howard, F.W., Moore, D., Giblin-Davis, R.M., & Abad, R.G. 2001 . Insects on Palms. CAB International Wallingford, U.K. & New York 400 pp.

Notes: The chapters that discuss scales are Sap-feeders on palm, Hemiptera: Sternorrhyncha (Howard), Principles of insect pest control on palms (Howard) and Insects of palm flowers and fruits (Moore).