Tropical Agricultural Research

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Occurrence of Aphidophagous syrphids in Aphid colonies on cabbage (Brassica oleracea) and their parasitoids
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2009) Mayadunnage, S.; Wijayagunasekera, H.N.P.; Hemachandra, K.S.; Nugaliyadda, I.
Predatory Coccinellids (Coleoptera : Cocinellidae ) of vegetable insect pests : a survey in mid country of Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Mayadunnage, S.; Wijayagunasekara, H.N.P.; Hemachandra, K.S.; Nugaliyadde, L.