This 4-page document is one in the Key Plant, Key Pests series. It helps identify pests found on the crapemyrtle, one of the most common landscape plants in north and central Florida. Written by Juanita Popenoe, Caroline R. Warwick, and Chris Marble and published by the UF/IFAS Environmental Horticulture Department, June 2018.
http://edis.ifas.ufl.edu/ep560
ENH1138, a 6-page illustrated fact sheet by Gary W. Knox and Edward F. Gilman, addresses this controversial aspect of crapemyrtle maintenance, providing recommendations based on UF/IFAS research clarifying the effects of various crapemyrtle pruning practices. Includes references. Published by the UF Department of Environmental Horticulture, September 2009.
http://edis.ifas.ufl.edu/ep399