Clift, A.D., & Beattie, G.A.C. 1993 SCALEMAN: a computer program to help citrus growers manage red scale, Aonidiella aurantii (Homoptera: Diaspididae).. Pest Control and Sustainable Agriculture. CSIRO Division of Entomology Canberra

Notes: Variables taken into account by this developing program include citrus area, initial per fruit scale density, average change in per fruit scale density over the season, heatwave conditions, predicted per fruit scale density and spray threshold.