Effect of paddy variety, milling status and aeration on the progeny emergence of Sitophilus oryzae L. (Coleoptera: Curculionidae) von Hasaranga, G.D.G.S.A., Wijayaratne, L.K.W., Prasanna, P.H.P., Karunarathne, K.G.P.B., Rajapakse, R.H.S.

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