Muma, M.H., & Clancy, D.W. 1961 Parasitism of purple scale and Florida red scale in Florida citrus groves.. Proceedings of the Florida State Horticultural Society 74: 29-32.

Notes: Parasites of Lepidosaphes beckii and Chrysomphalus aonidum include Aphytis lepidosaphes, A. holoxanthus, and Pseudhomalopoda prima; three chemical treatments tested for effect on scale infestation and parasitism.