Liotta, G. 1970 [Distribution of coccids on citrus in Sicily and introduction of a new species in western Sicily.] Diffusion des cochenilles des agrumes en sicile et introduction d'une nouvelle espece en Sicile occidentale.. Al Awamia 37: 33-38.
Notes: [Conference held in Morocco 26 to 31 October 1970, O.I.L.B., Groupe de Travail "Cochenilles des Agrumes".] Species listed as pests on citrus in Sicily are Aspidiotus hederae, Ceroplastes rusci, C. sinensis, Chrysomphalus dictyospermi, Coccus hesperidum, C. oleae, Mytilococcus (Lepidosaphes) beckii, M. (L.) gloverii, Parlatoria pergandei, P. ziziphi, Pericerya purchasi, Pseudococcus adonidum and P. citri.