Cox, J.M., & Ben-Dov, Y. 1986 Planococcine mealybugs of economic importance from the Mediterranean Basin and their distinction from a new African genus (Hemiptera: Pseudococcidae).. Bulletin of Entomological Research 76: 481-489.
Notes: Key provided to distinguish the three species of Planococcus occurring in the Mediterranean Basin, P. citri (Risso), P. ficus (Signoret) and P. vovae (Nasonov), and their nomenclatural histories are reviewed; notes on economic importance, host preferences, distribution and taxonomy given; 1 new synonymy; new genus Delottococcus erected for some species originally placed in Allococcus.