Danthanarayana, W.2014-11-182014-11-181966Tea Quarterly37(3)pp.106-113https://dl.nsf.gov.lk/handle/1/12860AgricultureTea plantationPlant disease controlPlant pestsTwig caterpillarEctropis bhurmitura warrLooper caterpillarBuzura strigaria mooreOutbreaksChemical controlEntomologyTwig and looper caterpillar outbreaksA