Browsing Volume 14 July 2009 by Author "Karunaratne, M.M.S.C."

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Behavioural Responses of the Female Melon Fly Bactrocera cucurbitae to Male Produced Sex Pheromone

Dilrukshika, S.V.C.V.; Karunaratne, M.M.S.C. (2009)

Behavioral responses of female Bactrocera cucurbitae to the male sex pheromones were studied by using a double-choice olfactometer with an air flow. Sexually mature females responding to the male pheromone during ...
Efficacy of Three Plant Species on the Mortality and Food Consumption of Epilachna vigintioctopunctata

Karunaratne, M.M.S.C.; Arukwatta, A.P.K.M.C.P. (2009)

The Evaluation of Azadiracta indica (Neem), Annona reticulata, (Custard apple) and Annona squamosa (Sugar apple) under laboratory conditions showed their potential as antifeedants and insecticides for the control ...
Oviposition Deterrent and Insecticidal Activities of Some Indigenous Plant Extracts against the Rice Moth, Corcyra cephalonica (Stainton)

Narangoda, S.R.C.N.K.; Karunaratne, M.M.S.C. (2009)

Methanol extracts of eighteen plants belonging to thirteen families were evaluated under laboratory conditions for their effects on the oviposition and larval mortality of the rice moth, Corcyra cephalonica. Each plant ...

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