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Mrs. Krishni C. Weerakoon

B.Sc. (Hon’s): M.Phil. (Peradeniya, SL)

Senior Lecturer (Grade I)

Department of Zoology
  • Kandy Regional Center, KRC, Pollgolla
  • Office: +94812499370, Ext: 118
  • kcwee@ou.ac.lk

Entomology

Insects, Pests, predators, Insecticide Resistance and Resistance mechanisms
  • Senior Lecturer -2008 to date at OUSL
  • Lecturer in Zoology – OUSL Polgolla 2006 – 2008
  • Demonstrator in Zoology – OUSL -Polgolla 2005-2006
  • Research Assistant – Department of Zoology,Faculty of Science, -University of Peradeniya – 2005
  • Lecturer in Zoology – Department of Zoology,Faculty of Science,University of Peradeniya -2003-2005
  • Demonstrator in Zoology – Department of Zoology,Faculty of Science,University of Peradeniya 2003-2005
  • Research Assistant – Department of Zoology,Faculty of Science,University of Peradeniya 1999-2002

Featured research

  • A study of chironomus occurring in the University of Peradeniya, in comparison with that of a chironomid from Male, Maldives.
  • Effect of physicochemical properties and faecal indicator bacteria on the distribution, diversity, and abundance of freshwater fishes in rawan oya, freshwater fishes in rawan oya, a tributary of the mahaweli river in kandy district Study on Faunal composition and Biodiversity of Dunumadalawa -a secondary forest reserve in Kandy District in Sri Lanka, Kandy
  • Study on Faunal composition and Biodiversity of Dunumadalawa -a secondary forest reserve in Kandy District in Sri Lanka, Kandy
  • Kapukotuwa.R, Jayasena, N, KC Weerakoon, Abayasekara, CL and Rajakarun, RS (2022).
  • High levels of microplastics in commercial salt and industrial salterns in Sri Lanka Marine pollution bulletin, 174, https://doi.org/10.1016/j.marpolbul.2021.11323
  • M.N.K.deZoyza, G.Bandarage, E.A.D.N.D.Edirisinghe, R.U.Tanthigoda and K.C.Weerakoon (2014). The effectiveness of a Novel Instructional method in enhancing thinking skills in an Undergraduate Chemistry Experiment. Proceedings of Annual Academic Sessions, Open University of Sri Lanka.
  • Karunaratne, S. H. P. P., Weerakoon. K. C., Nugaliyadde, L and Manuweera, G. K (2007).Susceptibility of rice insect pests and their natural enemies to commonly used insecticides. J. Natn. Sci. Foundation. 35(2):97-102. 4. Karunaratne, S. H. P. P and Weerakoon, K.C (2007).
  • Involvement of metabolic and insensitive acetylcholinesterase mechanisms in insecticide resistance of rice insect pests and predatory populations from Batalagoda, Sri Lanka. J. Natn. Sci. Foundation. 35(2):103-108 5.
  • Bogamuwa, M.M.S., Weerakoon, K.C. and Karunaratne, S.H.P.P (2002). Insecticide resistance in the bruichid Callosobruchus maculates, A storage pest of legumes. Ceylon Journal of Science (Bio Science). pp 55-5
  • Senadeera, G.K.A.T. Weerakoon, K.C, Ekanayake, E.M.S.H.K and. Lasxhman, B.Y. N (2022). Abundance and diversity of adult odonates in Dunumadalawa forest reserve kandy (2022), Third Faculty Annual Research Session 2022 (FARS2022), Faculty of Applied Science, University of Vavuniya, Sri Lanka
  • R.W.M.G.K. Kapukotuwa, K.C. Weerakoon, C.L Abayasekara and R.S Rajakaruna (2021).Distribution and Probable Sources of Faecal IndicatorBacteria along Rawan- Oya Tributary of Mahaweli River in Kandy District. Ipurse, pp 113.
  • R.W.M.G.K. Kapukotuwa, K.C. Weerakoon, C.L Abayasekara and R.S Rajakaruna (2019). Anthropogenic activities of the proximate community along Rawan Oya Tributary of Mahaweli River in Kandy District, Sri Lanka. International symposium on water quality and human health – challenges ahead, University of Peradeniya, Sri Lanka, pp 08.pp
  • T.W.G.F.M.Nijamdeen, T, Wijewickrama, K.C. Weerakoon (2019). A preliminary study on the effect of Arbuscular mycorrhizal inoculum on seedling growth. 1st International conference on biodiversity and environment management, Eastern University of Sri Lanka.
  • Nijamdeen, T.W.G.F.M., Weerakoon, K.C and Diyes,G.C.P (2016). “Evaluation of Diversity of Soil Invertebrate Communities near Forests of Gohagoda and Udawathekelle in Kandy, Sri Lanka” Proceedings of the International Forestry and Environment Sysmposium. Pp. 188
  • Diyes,G.C.P and Weerakoon, K.C (2016). A preliminary investigation of human biting ticks in Uhummeya Grama Niladari Division in Kurunegala, Sri Lanka. Proceedings of the Wayaba International Conference, p 190
  • Nijamdeen, T.W.G.F.M., Weerakoon, K.C and Ellepola, G (2015). Diversity of Soil Invertebrate Communities near the Gohagoda Dumping Site and Udawattakele Forest Reserve in Kandy, Sri Lanka. Proceedings of the International Forestry and Environmental Symposium, University of Sri Jayawardenapura, Sri Lanka, p131.
  • Weerakoon, K.C., Rajapakse, R.P.V.J., Madujith, W.M.T., Welihena, S.J., Herath, H.M.T.U and Jayasooriya, L.J.P.A.P (2012) Dietary fat sources with varying degree of unsaturation modify osmotic fragility of plasma membrane of red blood cells, International Symposium, Kothalawela Defense University, p 45
  • Weerakoon, K.C., Rajapakse, R.P.V.J., Madujith, W.M.T., Herath, H.M.T.U and Jayasooriya, L.J.P.A.P (2014). Cytotoxic effects of conjugated trienoic fatty acids on human fibrosarcoma cell line, wayamba international conference pp.230
  • Weerakoon, K. C., Karunaratne, S. H. P. P. and Nugaliyadda, L. (2001). Organophosphate and Carbamate Resistance in Four Species of Rice Insect Pests. Proceeding of the Annual Research sessions, University of Peradeniya, Sri Lanka. pp 111
  • Weerakoon, K. C., Karunaratne, S. H. P. P., Manuweera, G. K. and Nugaliyadda, L. (2001). Status and mechanisms of insecticide resistance in three rice insect pests and two of their natural enemies. Sri Lanka Association for the Advancement of Science (SLAAS). Proceedings of the 57th Annual session. pp 179 List of extended abstracts

Senior Lecturer in Zoology

Department of Zoology
Faculty of Natural Sciences

Kandy Regional Center

The Open University of Sri Lanka

Polgolla, Kandy

Sri Lanka

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PO Box 21, The Open University of Sri Lanka, Nawala, Nugegoda.
Email: pio@ou.ac.lk
Phone: +94 11 288 1000