Browsing by Author "Hemachandra, K.S."
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Item Aspects of reproductive biology of Delphastus pusillus, a Coccinellid predator of glasshouse whitefly, Trialeurodes vaporariorum(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Hemachandra, K.S.; Copland, M.J.W.Item Control failure of Sri Lankan whitefly (Bemisia tabaci Genn.) is due to high resistance development against recommended insecticides.(NSF:Colombo, 2017-3) Marasinghe, J.P.; Hemachandra, K.S.; Nugaliyadde, L.; Karunaratne, S.H.P.P.Item Developmental biology and feeding efficiency of menochilus sexmaculatus (coleoptera: coccinellidae) (fabricius) reared on aphis craccivora (hemiptera:aphididae) (koch)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Priyadarshani, T.D.C.; Hemachandra, K.S.; Sirisena, U.G.A.I.; Wijayaguasekara, H.N.P.Item Effect of the epicuticular wax level of leaf lamina on the behaviour of leaf hopper deltocephalus menoni (hemiptera: cicadellidae);a vector of sugarcane white leaf disease(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020-01) Chanchala, K.M.G.; Wanasinghe, V.K.A.S.M.; Hemachandra, K.S.; Nugaliyadde, L.; Witharama, W.R.G.Item Evaluation of the adoption of integrated management of vegetable pests in the Batticaloa district in Sri Lanka(Faculty of Agriculture, Eastern University . Chenkalady, 2007) Krishnal, S.; Raveendranath, S.; Hemachandra, K.S.Item Evaluation of the potential of trichogramma chilonis ishii (hymenoptera: trichogrammatidae) as a bio-control agent for trichoplusia ni,cabbage semi-looper(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Singhamuni, S.A.A.; Jayasuriya, M.I.U.F.; Hemachandra, K.S.; Sirisena, U.G.A.I.Item Idioscopus nagpurensis (Pruthi) (Hemiptera : Cicadellidae : Idiocerinae):a new member of mango Leafhopper complex in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Gnaneswaran, R.; Hemachandra, K.S.; Viraktamath, C.A.; Ahangama, D.; Wijayagunasekara, H.N.P.; Wahundeniya, I.Item Influence of temperature on development and oviposition of Delphastus pusillus, a coccinellid predator of trialeurodes vaporariorum(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1996) Hemachandra, K.S.; Copland, M.J.W.Item A key for identification of Deltocephaline genera (Hemiptera : Cicadellidae : Deltocephalinae) associated with vegetable ecosystem in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010) Gnaneswaran, R.; Hemachandra, K.S.; Wijegunasekara, H.N.P.; Ahangama, D.Item Mass rearing of cheilomenessexmaculata(coleoptera :coccinellidae) on different diets under laboratory conditions(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2017) Priyadarshani, T.D.C.; Hemachandra, K.S.; Sirisena, U.G.A.I.; Wijayagunasekara, H.N.P.Item Mass rearing of mealybug predator, cryptolaemus montrouzieri mulsant (coleoptera: coccinellidae) on two mealybug species,planococcus minor and pseudococcus viburni(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020-01) Gunawardana, D.U.M.; Hemachandra, K.S.Item Mealybugs (Hemiptera: Pseudococcidae) species on economically important fruit crops in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Wijayagunasekara, H.N.P.Item A modified technique for the preparation of specimens of sternorryncha for taxonomic studies(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Wijayagunasekara, H.N.P.Item 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.Item Parasitoids of Liriomyza sativae blanchard (Diptera : Agromyzidae) in the mid country of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Nagalingam. T.; Wijayagunasekara, H.N.P.; Hemachandra, K.S.; Nugaliyadde, L.Item Pink wax scale (Ceroplastes rubens) a growing threat to agriculture in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2019-01) Vithana, K.V.A.I.K.; Sirisena, U.G.A.I.; Hemachandra, K.S.Item Potential for mass rearing of the egg parasitoids, trichogramma chilonis and tricogramma achaeae (hymenoptera: trichogrammatidae) on corcyra cephalonica eggs(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Singhamuni, S.A.A.; Hemachandra, K.S.; Sirisena, U.G.A.I.Item 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.Item Predatory insects of pest insects in a vegetable eco system of the mid country region of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2008) Mayadunnage, S.; Wijayagunasekara, H.N.P.; Hemachandra, K.S.; Nugaliyadda, L.Item Scanning electron microscopy of six selected mealybug (hemiptera: pseudococcidae) species of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Sage, O.; Wijayagunasekara, H.N.P.