• B. Sc. (Special) degree in Zoology (1986), University of Kelaniya, Sri Lanka

• Ph. D.(1993), University of London,  UK

• Diploma in Parasitology, Imperial College, London

• Fellow biologist of the Biology (Institute of Biology) Sri Lanka

• Applied and Medical Entomology

• Plant Nematology / Parasitology

• P.A.D.H.N. Gunathilaka1, U.M.H.U. Uduwawala, N.W.B.A.L. Udayanga, R.M.T.B., Ranathunge, L.D. Amarasinghe and W. Abeyewickreme (2017) Determination of the efficiency of diets for larval development in mass rearing Aedes aegypti (Diptera: Culicidae), Bulletin of Entomological Research, 1-10 doi:10.1017/S0007485317001092
• L.D. Amarasinghe and H.A.K. Ranasinghe (2017) Herbal extracts and extracellular metabolites of antagonistic fungi as larval killing agents of dengue vector mosquitoes. Gloria Scientiam – Golden Jubilee Commemorative Volume, Faculty of Science, University of Kelaniya (2017)
• L. D. Amarasinghe* and N. W. Premachandra   (2016) Usage  of  green  manure  plants  as  cover-crops  in  controlling  root-knot nematode, Meloidogyne incognita (Kofoid and White)  on tomato, Lycopersicon esculentum (Mill.) South Asian Journal of Biology          Vol. 6, Issue 1, Page 23-33
• L.D. Amarasinghe and Thusith Maduranga (2016) Intensity and dispersal of rumen flukes of cattle in selected area of Sri Lanka. Journal of Global Sciences, 5,  3500 - 3512

• Weerathunga, W.A.M.T., Athapaththu, A.M.G.K. and Amarasinghe, L.D. 2017. Arthropod diversity in four different ecosystems in the Mid Country Wet Zone of Sri Lanka. In Proceedings of the Second Undergraduate Research Symposium on Environmental Conservation and Management, Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka. (Abstract) p. 08.

• Madduma, M.D.R., Ramanayaka, A.R.D.D., Jayasundara, S.M.J.C.K. and Amarasinghe, L.D. 2017. Preliminary survey of insect pollinators in the premises of University of Kelaniya. In Proceedings of the Second Undergraduate Research Symposium on Environmental Conservation and Management, Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka. (Abstract) p. 05.

• Athapaththu, A.M.G.K., Amarasinghe, L.D. and Weerathunga, W.A.M.T. 2017. Preliminary study on carrion frequenting blowflies (Calliphoridae) in three localities in Sri Lanka and their response to formalin treatment. In Proceedings of the Third Undergraduate Research Symposium on Zoology and Environmental Conservation and Management (URS ZEM), Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka. (Abstract) p. 03.

• P.M.I.D. Menike and L.D.Amarasinghe (2016) Study on effect of the microfauna and some abiotic parameters for the prevalence of mosquito larvae inhabiting marshlands. Proceedings of International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya , Sri Lanka

• K.H.D.J.K. Hemachandra and L.D.Amarasinghe (2016) Screening of selected rice varieties for Meloidogyne graminicola infestation and potential of Trichoderma viride to control its infestation. Proceedings of International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya , Sri Lanka

• Premachandra , N.W. and L.D. Amarasinghe (2015) Nematicidal activity of aqueous extracts and dry matter of Tithonia diversiflora, Gliricidia sepium and Tegetes erecta against root-knot nematode, Meloidogyne incognita (Kofoid and White) on tomato (Lycopersicon esculentum Mill.) Proceedings of the 35^th Annual Sessions of the Institute of Biology, Sri Lanka. 80p.

• Karunarathilake, K.D.K.M. and L.D. Amarasinghe (2015) Study of diversity and abundance of micro fauna and micro flora associated with selected mosquito breeding habitats in Gampaha district in Sri Lanka. Proceedings of the 35th Annual Sessions of the Institute of Biology, Sri Lanka. 79p.

• Amarasinghe, L.D. and Kumara, H.L.N.N. (2007)Effect of rainfall and temperature on liver and rumen fluke infections of bovines in Sri Lanka, International Journal of Biological and Chemical Sciences, 3(I) Published by International Formulae Group, 229-236p.

• Amarasinghe, L.D. (2008)Entomopathogenic nematodes from the coastal belt of Sri Lanka and their efficacy in controlling termites. Pest Technology 2(2): 125-129 (Print ISSN 1749-4818)

• Amarasinghe, L.D. and Dalugoda Y.S. (2009)Susceptibility of seven tomato varieties (Lycopersicon esculentus) varieties to root-knot nematode, Meloidogyne incognita. Pest Technology 3(1): 40-44 (Print ISSN 1749-6500)http://www.globalsciencebooks.info/Journals/GSB Journals.html

• Amarasinghe, L.D. (2011)An integrated approach to the management of rice root knot nematode, Meloidogyne graminicola in Sri Lanka. Journal of Science of the University of Kelaniya, Sri Lanka, 6(2011): 55-63

• Amarasinghe, L.D., Wijesinghe, W.K.A.G.A., and Jayawardhane, B.K. (2011)Efficacy of essential oils from bark and leaf of Cinnamomum zeylanicum on root knot nematode, Meloidogyne graminicola in rice seedlings and young rice plants. Journal of Science of the University of Kelaniya, Sri Lanka, 6(2011): 45-54

• Amarasinghe, L.D. and Madurusinghe, T.N. (2012)Evaluation of the effects of composted broiler litter enriched with Trichoderma viride in management of Meloidogyne incognita (Kofoid and White) in spinach (Spinacea oleracea) South Asian Journal of Experimental Biology 2(3), 90‐96, ISSN: 2230‐9799  http://www.sajeb.org

• Lalithanjalie D. Amarasinghe (2012) Introduction to Internal parasites of Man and Domestic Animals ISBN 978 955 30 3554 7, Godage International Publishers (Pvt) Ltd.
• Lalithanjalie D. Amarasinghe (2012) Plant Parasitic NematodesISBN 978 955 30 3558 5, Godage International Publishers (Pvt) Ltd.

• Title: Dispersal of parasitic ciliates and microsporidians and their potential as biological control agents of vector mosquito larvae. Date of award: 2014.04.10; RP/03/02/07/01/2014, University of Kelaniya

• Title: Micro-fauna and micro-flora diversity in man-made mosquito breeding habitats and their effects on mosquito immatures. Date of award: 2017.05.02; RP/03/02/07/01/2017, University of Kelaniya

• Title: Micro-fauna and micro-flora diversity in mosquito breeding habitats and their effects on mosquito larvae. Date of award: 2017.01.02; National Science Foundation of Sri Lanka RG/2017/EB/02

• Serve as the advisory committee member for the National Library and Documentation Services Board on testing new chemicals on insect pests of library and archive material.
• Member of the ‘Advisory Committee on Conservation and Preservation’ of the National Library and Documentation Services Board of the Ministry of Education.

1. Life member of the Sri Lanka Association for the Advancement of Science.

2. Fellow biologist of the Biology (Institute of Biology) Sri Lanka