Dept of Agriculture Development 
SFAC KeralaThe green scale is a serious sucking pest of coffee particularly Arabica.
The chemical control measures include spraying the affected patches with any one of the following insecticides viz. cythion 50 EC @ 200 ml, quinalphos 25 EC @ 120 ml or dimethoate 30 EC @ 170 ml in 100 litres of water.
