D e p a r t m e n t   o f

Zoology

Name

Prof. Rupika Subashini Rajakaruna (Amarakoon)

Professor of Applied Zoology

B.Sc., M.Phil. (Perad.), Ph.D. (MUN, Canada)

Academic Staff Home  

Publications

Systematic and Applied Acarology.

Diyes, G.C.P. and RajakarunaR.S.  (2021). Teratological anomalies of an adult Asiatic blue tick, Rhipicephalus microplus (Acari: Ixodidae). Systematic and Applied Acarology., 26: 320-324.

Acta Parasitologica

Bandaranayaka, K.O., Kularatne, S.A.M., Rajapakse, R.P.V.J., Abeysundara, U.B., Rajapaksha, R.M.M.A. and Rajakaruna, R.S. (2021). Human Otoacariasis in Two Climatically Diverse Districts in Sri Lanka: Seasonality, Risk Factors, and Case Notes. Acta Parasitologica, .

DOI: https://doi.org/10.1007/s11686-021-00372-w

Veterinary Parasitology: Regional Studies and Reports

Thilakarathne, S.S., Rajakaruna, R.S., Fernando, D., Rajapakse, R.P.V.J. and Perera, P.K. (2021). Comparison of gastro-intestinal parasites with zoonotic and anthroponotic potential in two subspecies of toque macaque (Macaca sinica) in Sri Lanka. Veterinary Parasitology: Regional Studies and Reports, 24: 100558.

DOI: https://doi.org/10.1016/j.vprsr.2021.100558

Systematic and Applied Acarology

Diyes, G.C.P. and Rajakaruna, R.S. (2021). Teratological anomalies of an adult Asiatic blue tick, Rhipicephalus microplus (Acari: Ixodidae). Systematic and Applied Acarology, 26: 320-324.

Ceylon Journal of Science

Bandaranayaka, K.O., Dissanayke, U.I. and Rajakaruna, R.S. (2021). Experimental aspects of life cycle of Rhipicephalus (Boophilus) microplus and Hyalomma isaaci on New Zealand white rabbits. Ceylon Journal of Science, 50: 47-56.

DOI: https://doi.org/10.4038/cjs.v50i1.7846

Journal of Threatened Taxa

Sepalage, C.S. and Rajakaruna, R.S. (2020). Gastro-intestinal helminth and protozoan infections of wild mammals in four major national parks in Sri Lanka. Journal of Threatened Taxa, 12: 17093-17104.

DOI: https://doi.org/10.11609/jott.5160.12.15.17093-17104

PLosOne

Mashkour, N., Ahasan, S., Barnes, A., Bell, I., Bowater, R., Elliman, J., Flint, M., Hamann, M., Jakob-Hoff, M., R., Jones, K., Orduna, S.K., Loganathan, A.L., Rajakaruna, R., Mark Read, M., Walker, G., Work, T., Wittaker, M., Baverstock, W., Blyde, D., Crespo-Picazo, J.L., Eghbali, M., Freggi, D., Gardner, B., Giliam, J., Hale, H., Hyland, K.P., March, D., Mobaraki, A., Mohammadi, M., Nicolle, N., Owens, L., Parga, M., Robinson, D., Saladin, C., Spiby, K., Hipolito, T.V., Wrobel, D., (2020). Disease Risk Analysis in sea turtles: A baseline study to inform conservation efforts. PLosOne, .

DOI: https://doi.org/10.1101/2020.03.10.985432

Parasitology International

Dangolla, A., Wijesundara, D.L.R., Blair, D., Fernando, D.D., Wijesundera, K.K., Chathuranga, W.G.D. de Silva W.A.P.P. and Rajakaruna R.S. (2020). Canine trypanosomosis in Sri Lanka: An emerging problem reported from three distinct geographic locations. Parasitology International, .

DOI: https://doi.org/10.1016/j.parint.2020.102129

Ceylon Journal of Science

Sepalage, C.S., Perera, P.K. and Rajakaruna, R.S. (2020). Enteric helminthiasis in dogs of University of Peradeniya premises: a potential public health problem. Ceylon Journal of Science, 49: 29-36.

DOI: https://doi.org/10.4038/cjs.v49i1.7703

Indian Ocean Turtle Newsletter

Rajakaruna, R.S., Pemadasa, M.G.N.M., Elepathage, M. and Abeysundara, S.P. (2020). Fisher perception and practices of sea turtle bycatch in Sri Lanka. Indian Ocean Turtle Newsletter, 31: 2-13 .

InTechOpen

Rajakaruna, R.S. and Diyes, G.C.P. (2019). Spinose ear tick Otobius megnini infestations in race horses. In Ticks and Tick Borne pathogens. Editors: M. Abubakar and P.K. Perera. InTechOpen, .

Ecology and Evolution

Pathirana, N.U.K., Meegaskumbura, M. and Rajakaruna, R.S. (2019). Infection sequence alters disease severity-Effects of the sequential exposure of two larval trematodes to Polypedates cruciger tadpoles. Ecology and Evolution, : 1-11.

DOI: https://doi.org/10.1002/ece3.5180

Canadian Journal of Zoology

Pathirana, N.U.K., Meegaskumbura, M. and Rajakaruna, R.S. (2019). Host resistance and tolerance to parasitism: age dependent fitness consequences in common hourglass tree frog Polypedates cruciger exposed to two larval trematodes. Canadian Journal of Zoology, 97: 11.

DOI: https://doi.org/10.1139/cjz-2018-0126

Sri Lanka Veterinary Journal

Jayatilaka, P.S., Pinnagoda, P.P.H., Gunawardena, P.E., Ginarathne, K.M.H., Silva, I.D., Wijeyawardena, N., Mallawa, M.R.C.K., Karunaratne, T.M.K., Dangolla, A and Rajakaruna, R.S. (2019). Emergence of a thrombocytopenic disorder in a group of working dogs of Sri Lanka Air Force. Sri Lanka Veterinary Journal, 65: 13-15 .

Ceylon Journal of Science

Bandaranayaka, K.O., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2019). Potentially zoonotic gastrointestinal parasites of dogs in Lunugala Tea estate community in Central Sri Lanka. Ceylon Journal of Science, 48: 43-50.

DOI: https://doi.org/10.4038/cjs.v48i1.7587

Ceylon Journal of Science

Ratnayake, Y. and Rajakaruna, R.S (2018). Cocktail effect of Profenophos and Abamectin on tadpoles of Asian Common Toad (Duttaphrynus melanostictus). Ceylon Journal of Science, 47: 185-194.

DOI: https://cjs.sljol.info/articles/abstract/10.4038/cjs.v47i2.7515/

Ceylon Journal of Science

Dyes, G.C.P., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2018). Molecular evidence of Babesia infections in Spinose ear tick, Otobius megnini infesting stabled horses in Nuwara Eliya racecourse: A case study. Ceylon Journal of Science, 47(4) 2018: 405-409 .

Journal of Threatened Taxa

Abeysekara, N.N., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2018). Comparative cross-sectional survey on gastrointestinal parasites of captive, semi-captive, and wild Elephants of Sri Lanka. Journal of Threatened Taxa, 10(5): 11583-11594 .

Ceylon Journal of Science

Pathirana, N.U.K. and Rajakaruna, R.S. (2018). Trematode infections in frogs: Do all cercarial morphotypes infect and induce effects on the common hourglass tree frog,. Ceylon Journal of Science, 47: 319-330.

DOI: https://doi.org/ 10.4038/cjs.v47i4.7549

Indian Ocean Turtle Newsletter

Phillott, A., Hewapathiranage, S., and Rajakaruna, R.S. (2018). Unregulated numbers and management practices of sea turtle hatcheries: An on-going concern in Sri Lanka. Indian Ocean Turtle Newsletter, 27: 8-17.

https://www.iotn.org/iotn27-03-unregulated-numbers-and-management-practices-of-sea-turtle-hatcheries

Acarologia

Diyes, P., Karunaratne, N., Silva, S., Karunaratne, I. and Rajakaruna, R.S. (2017). Ants as potential biological control agents of spinose ear tick, Otobius megnini (Dug. Acarologia, 57: 747-753.

DOI: https://doi.org/10.1051/acarologia/ 20174200

Molecular Phylogenetics and Evolution

Sands, F., Apanaskevich, D., Matthee, S., Horak, I., Harrison, A., Karim, S., Mohammad, M., Mumcuoglu, K., Rajakaruna, R.S., Santos-Silva, M., Kamani, J. and Matthee, C. (2017). Effects of tectonics and large scale climatic changes on the evolutionary history of Hyalomma ticks. Molecular Phylogenetics and Evolution, 114: 153-165 .

PLoS ONE

Jenkins, T.P., Rathnayake, Y, Perera, P.K., Peachey, L.E., Nolan, M.J. Krause L., Rajakaruna, R.S. Cantacessi, C. (2017). Infections by human gastrointestinal helminths are associated with changes in faecal microbiota diversity and composition. PLoS ONE, 12(9).

DOI: https://doi.org/10.1371/journal.pone.0184719

Journal of Zoology

Jayawardena, U.A., Rohr, J.R., Amerasinghe, P.H. Navaratne, A.N., and Rajakaruna, R.S. (2017). Effects of agrochemicals on disease severity of Acanthostomum burminis infections (Digenea: Trematoda) in the Asian common toad, Duttaphrynus melanostictus BMC. Journal of Zoology, .

DOI: https://doi.org/10.1101/165795

Journal of Threatened Taxa

Ekanayake, E.M.L., Kapurusinghe, T., Saman, M.M., Rathanakumara, D.S., Samaraweera, P., and Rajakaruna, R.S. (2017). Genetic diversity of the green sea turtle (Chelonia mydas) population nesting at Kosgoda rookery, Sri Lanka. Journal of Threatened Taxa, 9(6): 10261-10268 .

Medical and Veterinary Entomology

Dyes, G.C.P., Apanaskevich, D.A. and Rajakaruna, R.S. (2017). Life cycle of Rhipicephalus haemaphysaloides under laboratory conditions. Medical and Veterinary Entomology, .

DOI: https://doi.org/10.1111/mve.12238

Journal of Threatened Taxa

Kobbekaduwa, V, Fillieux, C., Thudugala, A., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2017). First record of tapeworm Moniezia (Cestoda: Anoplocephalidae) infections in leopards: Coprological survey of gastrointestinal parasites of wild and captive cats in Sri Lanka. Journal of Threatened Taxa, 9(3): 9956-9961 .

Ceylon Journal of Science

Dissanayake, S., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2017). Gastrointestinal parasites of domesticated and feral horses (Equus caballus) in Sri Lanka. Ceylon Journal of Science, 46: 17-26.

DOI: https://doi.org/10.4038/cjs.v46i1.7414

Acta Tropica

Dyes, G.C.P. and Rajakaruna, R.S. (2016). Life cycle of Spinose ear tick, Otobius megnini (Acari: Argasidae) infesting the race horses in Nuwara Eliya, Sri Lanka. Acta Tropica, .

DOI: https://doi.org/10.1016/j.actatropica.2016.11.026

Ceylon Journal of Science

Ekanayake, E.M.L., Kapurusinghe, T., Saman, M.M., Rathanakumara, D.S., Samaraweera, P., and Rajakaruna, R.S. (2016). Reproductive Output and Morphometrics of Green Turtle, Chelonia mydas Nesting at the Kosgoda Rookery in Sri Lanka. Ceylon Journal of Science, 45: 103-116 .

Experimental and Applied Acarology

Ariyaratne, S., Apanaskevich, D., Amerasinghe, P.H. and Rajakaruna, R.S. (2016). Diversity and distribution of tick species (Acari: Ixodidae) associated with human otoacariasis and socio-ecological risk factors of tick infestations in Sri Lanka. Experimental and Applied Acarology, .

DOI: https://doi.org/10.1007/s10493-016-0056-z

Acta Tropica

Dyes, G.C.P. and Rajakaruna, R.S. (2016). Seasonal dynamics of spinose ear tick Otobius megnini associated with horse otoacariasis in Sri Lanka. Acta Tropica, 159: 170-175 .

Ceylon Journal of Science

Aviruppola, A.J.M.K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2016). Prevalence and intensity of gatrointestinal parasites of mammals in Dehiwala National Zoological Gardens of Sri Lanka. Ceylon Journal of Science, 45(1): 83-96 .

Experimental and Applied Acarology

Bandaranayaka, K.O., Apanaskevich, D.A. and Rajakaruna, R.S. (2016). Life cycle of Amblyomma integrum under laboratory conditions. Experimental and Applied Acarology, .

DOI: https://link.springer.com/article/10.1007%2Fs10493-016-0034-5

EcoHealth

Jayawardhana, U.A., Rohr, J., Nawaratne, A.N., Amerasinghe, P.H. and Rajakaruna, R.S. (2016). Combined effect of Pesticides and trematode infections on amphibian survival, growth and malformations in hourglass tree frog Polypedates cruciger. EcoHealth, 13: 111-22 .

Experimental and Applied Acarology

Bandaranayaka, K.O., Apanaskevich, D.A. and Rajakaruna, R.S. (2016). Life cycle of Nosomma monstrosum (Acari: Ixodidae) under laboratory conditions. Experimental and Applied Acarology, 69(1): 97-106 .

Ceylon Journal of Science

Yathramullage, S., Dissanayake, U., Rajakaruna, R.S. and Meegaskumbura, S. (2016). New records of small mammal hosts for four tick species from Sri Lanka. Ceylon Journal of Science, 45: 29-37 .

Ceylon Journal of Science

Liyanarachchi, D.R., Rajakaruna, R.S. and Rajapakse, R.P.V.J. (2015). Spotted fever group rickettsia in ticks infesting humans, wild and domesticated animals of Sri Lanka: one health approach. Ceylon Journal of Science, 44(2): 69-76 .

Journal of the National Science Foundation

Dyes, G.C.P. and Rajakaruna, R.S. (2015). Diversity and distribution of tick species infesting goats with four new host records from Sri Lanka. Journal of the National Science Foundation, 43(3): 225-234 .

Tropical Biomedicine

Diyes, G.C.P., Karunaratne, W.A.I.P., Tomberlin, J.K. and Rajakaruna, R.S. (2015). First record of Megaselia scalaris (Loew) (Diptera: Phoridae) infesting a spinose ear tick, Otobius megnini, colony in Sri Lanka. Tropical Biomedicine, 32(4): 1-5 .

Zootaxa

Liyanarachchi, D.R., Rajakaruna, R.S., Dikkumbura, A.W., De Silva, A. and Rajapakse, R.P.V.J. (2015). Ticks (Acarina: Ixodida) infesting five reptile species in Sri Lanka with sixteen new host records. Zootaxa, 3964: 146-148 .

Acta Tropica

Liyanaarachchi, D.R., Rajakaruna, R.S., Dikkumbura, A.W. and Rajapakse, R.P.V.J. (2015). Ticks infesting wild and domestic animals and humans of Sri Lanka with new host records. Acta Tropica, 142: 64-70 .

PloS Neglected Tropical Diseases

Schousboe, M.L., Ranjitkar, S., Rajakaruna, R.S., Amerasinghe, P.H., Morales, F., Ord, R., Pearce, R., Leslie, T., Rowland, M., Gadalla, N., Konradsen, F., Bygbjerg, I.C., Roper, C. and Alifrangis, M. (2015). Multiple origins of mutations in the mdr1 gene -a putative marker of chloroquine resistance in Plasmodium vivax. PloS Neglected Tropical Diseases, .

DOI: https://doi.org/10.1371/journal.pntd.0004196

Malaria Journal

Schousboe, M.L., Ranjitkar, S., Rajakaruna, R.S., Amerasinghe, P.H., Konradsen, F., Morales, F., Ord, R., Pearce, R., Leslie, T., Rowland, M., Gadalla, N., Bygbjerg, I.C., Alifrangis, M. and Roper, C. (2014). Global and local genetic diversity of two polymorphic loci in Plasmodium vivax parasites from Asia, Africa and the Americas. Malaria Journal, 13: 392 .

Wildlife

Rajakaruna, R.S. and Ekanayeke, E.M.L. (2013). Sea Turtle conservation and research focus in Sri Lanka. Wildlife, 9: 51-55 .

Journal of the National Science Foundation

Kandasamy, G., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2013). Gastro-intestinal and blood parasites of a free grazing flock of sheep in Kaithady farm in the Jaffna district. Journal of the National Science Foundation, 41: 195-201 .

Frontiers of Biological and Life Sciences

Jayawardena, U.A., Amerasinghe, P.H. and Rajakaruna, R.S. (2013). In-vitro encystment and excystment of xiphidiocercariae (Family: Lecithiodendridae). Frontiers of Biological and Life Sciences, 1: 9-12 .

Herpetological Conservation and Biology

Ekanayake, E.M.L., Kapurusinghe, T. Saman M.M., Samaraweera P., Ranawana, K.B. and Rajakaruna, R.S. (2013). Paternity of green turtles (Chelonia mydas) clutches laid at Kosgoda, Sri Lanka. Herpetological Conservation and Biology, 8: 27-36 .

Froglog

Jayawardena, U. and Rajakaruna, R.S. (2013). Understanding Possible Etiologies of Amphibian Crisis in Sri Lanka. Froglog, 21: 47-49 .

Froglog

Uthpala A. Jayawardena, Vasyl V. Tkach, Ayanthi N. Navaratne, Priyanie H. Amerasinghe & Rupika S. Rajakaruna (2013). Malformations and mortality in the Asian common toad induced by exposure to pleurolophocercous cercariae (Trematoda: Cryptogonimidae). Froglog, 22: 86 .

Journal of Science

Mahagedara, P.D. and Rajakaruna, R.S. (2013). Parasites of two co-occurring house gecko species, Hemidactylus frenatus and Gehyra mutilata from Central Sri Lanka. Journal of Science, 11: 32-38 .

Journal of the National Science Foundation

Perera, P.K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2013). Gastrointestinal parasites of dogs in Hantana area, Kandy district. Journal of the National Science Foundation, 41: 83-93 .

Indian Ocean Turtle Newsletter

Rajakaruna, R.S., Ekanayake E.M.L., Kapurusinghe T., and Ranawana, K.B. (2013). Sea turtle hatcheries in Sri Lanka: Their activities and potential contribution to sea turtle conservation. Indian Ocean Turtle Newsletter, 17: 2-12 .

Journal of Science

Gunatilake, B.M.N.S and Rajakaruna, R.S. (2013). Occurrence of acanthocephalans in two cockroach species, Periplaneta americana and Pycnoscelus surinamensis. Journal of Science, 11: 26-31 .

Ceylon Journal of Science

Jayawardena, U.A., Navaratne, A., and Amerasinghe, P.H. and Rajakaruna, R.S. (2013). Effect of exposure of ultraviolet B radiation on two anuran species Polypedates cruciger and Duttaphrynus melanostictus under empirical conditions. Ceylon Journal of Science, 42: 45-53 .

Marine Turtle Newsletter

Rajakaruna, R.S., Wijetilake, N., E.M.L Ekanayake and Ranawana, K.B. (2012). Tortoiseshell trade in Sri Lanka: Is centuries-old trade now history?. Marine Turtle Newsletter, 134: 9-11 .

Ceylon Journal of Science

Sumangali, K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2012). Urban rodents as potential reservoirs of zoonoses: a parasitic survey in two selected areas in Kandy district. Ceylon Journal of Science, 44: 71-7773.

Sri Lanka Veterinary Journal

Bandara, N.W.R.V.N., Rajakaruna, R.S. and Rajapakse, R.P.V.J. (2012). Coccidia infections in goats in the Wet Zone of Sri Lanka. Sri Lanka Veterinary Journal, 59: 13-18 .

American Journal of Tropical Medicine and Hygiene

Schousboe, M.L., Rajakaruna, R.S., Amerasinghe, P.H., Konradsen, F., Ord, R., Pearce, R., Bygbjerg, I.C., Roper, C. and Alifrangis, M. (2011). Analysis of polymorphism in the merozoite surface protein-3α gene and two microsatellite loci in Sri Lankan Plasmodium vivax: Evidence of population sub-structure in Sri Lanka. American Journal of Tropical Medicine and Hygiene, 85: 994-1001 .

Ceylon Medical Journal

Ariyaratne, S., Dilrukshi R.M.P.I., Amerasinghe P.H. and Rajakaruna, R.S. (2011). Intra-aural ecdysis of a tick (Dermacentor auratus Supino, 1897). Ceylon Medical Journal, 56: 133-134 .

Annual Research Journal SLSAJ

Rajakaruna, R.S. and Warnakulasooriya, K.N. (2011). Gastrointestinal parasites in dairy cattle in Kandy district Sri Lanka. Annual Research Journal SLSAJ, 11: 92-99 .

Journal of the National Science Foundation

Jayawardena, U.A., Navaratne, A.N., Amerasinghe, P.H. and Rajakaruna, R.S. (2011). Acute and chronic toxicity of four commonly used agricultural pesticides on the common toad, Bufo melanostictus. Journal of the National Science Foundation, 39(3): 267-276 .

Ceylon Journal of Science

Harishchandra, H.K.S.P., Karunaratne, S.H.P.P. and Rajakaruna, R.S. (2011). Effect of mosquito larvicide Abate® on the developmental stages of the Asian common toad, Bufo melanostictus. Ceylon Journal of Science, 40: 133-140 .

American Journal of Tropical Medicine and Hygiene

Zhang, J.J., Senaratne, T.N.,  Daniels, R.,  Valim C.,  Alifrangis, M., Amerasinghe, P. Konradsen, F., Rajakaruna, R. Wirth, D.F., and Karunaweera, N.D. (2011). Distribution pattern of Plasmodium falciparum chloroquine transporter (pfcrt) gene haplotypes in Sri Lanka 1996 - 2006. American Journal of Tropical Medicine and Hygiene, 85(5): 811-814 .

Malaria Journal

Rajakaruna, R.S., Alifrangis, M., Amerasinghe, P.H. and Konradsen, F. (2010). Pre-elimination stage of malaria in Sri Lanka: assessing the level of hidden parasites in the population. Malaria Journal, 9: 25.

DOI: https://doi.org/10.186/1475-2875-9-25

Journal of the National Science Foundation

Jayawardena, U. A., Rajakaruna, R.S., Navaratne, A., and Amerasinghe, P.H. (2010). Trematode induced malformations in amphibians: effect of infection at pre limb bud stage tadpoles of Polypedates cruciger. Journal of the National Science Foundation, 38: 241-248 .

International Journal of Agriculture and Biology

Jayawardena, U.A., Rajakaruna, R.S., Navaratne, A.N., and Amerasinghe, P.H. (2010). Toxicity of pesticides exposure on common hourglass tree frog, Polypedates cruciger. International Journal of Agriculture and Biology, 12: 641-648.

Ceylon Journal of Science (Biological Science)

Ekanayake E.M.L. Rajakaruna, R.S., Kapurusinghe, T., Saman M.M., Samaraweera, P. and Ranawana, K.B. (2010). Nesting behaviour of the green turtles at Kosgoda rookery, Sri Lanka. Ceylon Journal of Science (Biological Science), 39(2): 109-120 .

American Journal of Tropical Medicine and Hygiene

Gunawardena, S., Karunaweera, N.D., Ferreira, M.U., Phone-Kyaw, M., Pollack, R.J, Alifrangis, M., Rajakaruna, R.S., Konradsen, F. Amerasinghe, P.H., Schousboe, M.L., Galappaththy, G.N.L., Abeyasinghe, R.R., Hartl, D.L. and Wirth, D.F. (2010). Geographic structure of Plasmodium vivax: Microsatellite analysis of parasite populations from Sri Lanka, Myanmar, and Ethiopia. American Journal of Tropical Medicine and Hygiene, 82: 235-242.