Rungs, C.E.E. 1970 Problèmes phytosanitaires posés a l'agrumiculture marocaine. [Phytosanitary problems of citrus culture in Morocco.]. Al Awamia 37: 91-94.

Notes: [Conference held in Morocco 26 to 31 October 1970, O.I.L.B., Groupe de Travail "Cochenilles des Agrumes".] Citrus scales mentioned include Aonidiella aurantii, Aspidiotus hederae, Ceroplastes rusci, C. sinensis, Coccus hesperidum, Chrysomphalus dictyospermi, Lepidosaphes beckii, L. gloverii, Parlatoria zizyphi, Percerya purchasi, Planococcus citri, Pseudococcus adonidum and Saissetia oleae.