This 8-page document is one in the Key Plant, Key Pests series. It helps identify the most common pests found on azalea. Written by Juanita Popenoe, Caroline R. Warwick, Jacqueline Bourdon, and David J. Norman and published by the UF/IFAS Environmental Horticulture Department, December 2018.
http://edis.ifas.ufl.edu/ep567