Gunawardena, N.E.2010-07-062010-07-061994Journal of the National Science Council of Sri Lanka, 22(3):p.239-243https://dl.nsf.gov.lk/handle/1/6053N-alkanesRicePestsLeptocorisa oratoriusHemipteraCoreidaeBiological SciencesSeasonal changes in the chemical composition of the defensive secretion of the rice pest LEPTOCORISA ORATORIUS (Hemiptera:Coreidae)Article