Williams, D.J., & Matile-Ferrero, D. 2009 A note on two mealybug species on coffee in Cuba named in the genus Planococcus Ferris (Hemiptera: Coccoidea: Pseudococcidae).. Revue Française d'Entomologie 31(1): 37-38

Notes: The authors regard the mealybugs Planococcus albi Martinez & Suris, and Planococcus angelicus Martinez & Suris as nomina nudum.