1. APPPC 1987. Insect pests of economic significance affecting major crops of the countries in Asia and the Pacific region. Technical Document No. 135. Bangkok Thailand: Regional Office for Asia and the Pacific region (RAPA).
2. Abramovic T 1980. Contribution to the study of scale insects on apple and peach trees in the Regional Territory of Belgrade. Interim report. Arhiv za Poljoprivredne Nauke 41(143):523-529
3. Acatay A 1970. Pests of Rosa damascena Mill. in Turkey. Anzeiger fur Schadlingskunde und Pflanzenschutz. 43(4):49-53
4. Aleksidze G 1995. Armored scale insects (Diaspididae) pests of fruit orchards and their control in the Republic of Georgia. Israel Journal of Entomology 29:187-190; 9 ref.
5. Aleksidze G Ascher KRS Ben-Dov Y 1995. Armored scale insects (Diaspididae) pests of fruit orchards and their control in the Republic of Georgia. Proceedings of VII International Symposium of Scale Insect Studies. Journal of Entomology 29:187-190.