Ganehiarachchi G.A.S.M.Fernando, I.V.S.2015-04-292015-04-292000Ganehiarachchi G.A.S.M. and Fernando I.V.S. (2000). Natural enemies of sugarcane Planthopper Pyrilla perpusilla Walker (Homoptera: Lophopidae). Journal of the National Science Foundation of Sri Lanka 28 (3) 205-213http://repository.kln.ac.lk/handle/123456789/7194enArticle