Browsing Graduate Studies by Author "Abeyewickreme, W."

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Aedes albopictus the “underrated” Asian Tiger

Jayasooriya, D.H.S.W.; Gunawardene, Y.I.N.S.; Manamperi, A.; de Silva, H.J.; Abeyewickreme, W. (University of Kelaniya, 2010)

Introduction The mosquito Aedes aegypti was thought to be the main vector responsible for virtually all dengue epidemics; while Aedes albopictus was considered a vector in which the virus is maintained but does not cause ...
Application of a Real Time Polymerase Chain Reaction (PCR) for Detection of Pathogenic Leptospira in Clinical Samples

Denipitiya, D.T.H.; Jiffrey, A.M.; Abeyewickreme, W.; Wellawaththge, C.; Hapugoda, M.D. (University of Kelaniya, 2012)

Leptospirosis, is a zoonotic disease with worldwide distribution, caused by pathogenic species of the genus Leptospira. It has the greatest impact on health in developing countries where it is often grossly under-recognized. ...
Assessment of artificial blood feeding methods and efficacy of different blood meal sources in mass rearing of Aedes aegypti for innovative vector controlling strategies

Gunathilaka, P.A.D.H.N.; Ranathunga, R.M.T.B.; Udayanga, N.W.B.A.L.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)

Background Mass rearing of vector mosquitoes of dengue is a crucial requirement for implementation of innovative vector controlling strategies such as Sterile Insect Technique (SIT), Incompatible Insect Technique (IIT) ...
Assessment of possible social and entomological risk factors affecting transmission of dengue in the District of Gampaha

Withanage, G.P.W.K.; Abeyewickreme, W.; Hapugoda, M.D. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Dengue is the most important mosquito-borne viral infection transmitted to humans in Sri Lanka causing more than 30,000 cases annually. The objective of the study was to identify possible social and entomological risk ...
Blood-feeding patterns of Anopheles mosquitoes in malaria-endemic areas of Sri Lanka

Gunathilaka, P.A.D.H.N.; Fernando, M.A.S.T.; Hapugoda, M.D.; Wijeyerathne, P.; Wickremasinghe, A.R.; Abeyewickreme, W. (University of Kelaniya, 2012)

Background: Studies on host preference patterns in blood-feeding of anopheline mosquitoes are crucial for incriminating them as malaria vectors. However, little information is available on the host preferences of ...
Breeding of Anopheles culicifacies in different waterbodies in the district of Trincomalee

Gunathilaka, P.A.D.H.N.; Fernando, M.A.S.T.; Hapugoda, M.D.; Wijeyerathne, P.; Wickremasinghe, A.R.; Abeyewickreme, W. (University of Kelaniya, 2012)

Introduction: Anopheles culicifacies (Diptera: Culicidae), the major vector of malaria in Sri Lanka is known to breed in clean and clear water. This study was focused to understand the larval habitats of the major malaria ...
Characterization of a Dengue Positive Population in Colombo Municipal Council (CMC) Medical Officer of Health (MOH), Colombo

Lakmal, M.G.K.; Udayanga, N.W.B.A.L.; Gunathilaka, P.A.D.H.N.; Fernando, S.D.; Karunathilaka, K.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)

Dengue that has caused 29,777 suspected infections in 2015 has emerged the most challenging health issue faced in Sri Lanka. Approximately 51% of dengue infections are reported from the Western Province. The susceptibility ...
Characterization of Anopheline larval habitats and species composition of aquatic macro-invertebrates in Trincomalee District, Sri Lanka

Ranathunga, R.M.T.B.; Gunathilaka, P.A.D.H.N.; Kannangara, D.N.; Abeyewickreme, W.; Hapugoda, M.D. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Malaria control methods that aim to reduce adult vector populations by targeting their aquatic immature stages. A better fundamental understanding of the biology and ecology of these essential stages could contribute to ...
Climatic factors affecting density of Anopheles vector mosquitoes in Ampara District, Sri Lanka

Kannangara, D.N.; Ranathunge, R.M.T.B.; Abeyewickreme, W.; Hapugoda, M.D.; Subasinghe, S.M.C.U.P. (University of Kelaniya, 2014)

Background: Apart of many vector-borne diseases malaria played a major role during past decades in Sri Lanka. Controlling strategies had effectively addressed this issue so that there were no malaria patients recently. ...
Comparison of recombinant protein and cell lysate antigens for detection of anti-chikungunya (CHIK) IgM antibody

Athapaththu, A.M.M.; Abeyewickreme, W.; Hapugoda, M.; Khanna, N.; Inouve, S.; Tun, M.M.N.; Gunasena, S. (University of Kelaniya, 2011)

Chikungunya (CHIK) virus specific antigen which has high specificity and low cross reactivity with other related diseases is required for laboratory confirmation. The objective of this study is to compare two antigens for ...
Density of Aedes aegypti and Aedes Albopictus in some dengue endemic areas

Hapugoda, G.P.G.M.D.; de Silva, N.R.; Abeyewickreme, W.; Rajamanthri, R. (University of Kelaniya, 2000)
Detection of pathogenic Leptospira species in rat blood samples by molecular-based assays

Denipitiya, D.T.H.; Chandrasekharan, N.V.; Abeyewickreme, W.; Hapugoda, M.D. (University of Kelaniya, 2013)

Background: Leptospirosis is a worldwide zoonotic infection, caused by pathogenic species of the genus Leptospira. It was traditionally known as ‘rat fever’ in Sri Lanka, because rodents, especially rats, are considered ...
Determination of appropriate positioning of the ovitraps for dengue mosquito surveillance

Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Chandrasena, T.G.A.N.; Dassanayake, R.S.; Gunathilaka, P.A.D.H.N.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Three months ovitrap survey was conducted to assess the suitable position in placing the ovitraps for dengue vector mosquito surveillance and this study was initiated due to loss of valuable data from our previous studies ...
Effects of socio-economic and socio-cultural risk factors on low malaria transmission in Mannar and Trincomalee Districts of Sri Lanka

Gunathilaka, P.A.D.H.N.; Abeyewickreme, W.; Ranathunge, R.M.T.B.; Hapugoda, M.D.; Wickremasinghe, A.R. (University of Kelaniya, 2014)

The socio-economic and socio-cultural practices of the people differ between communities and play an important role in malaria control operations. The present study was conducted to assess the influence of household ...
Eliminating female Aedes mosquitoes by spiking blood meals with toxicants as a sex separation method in the context of the sterile insect technique and Incompatible Insect Technique

Ranathunga, R.M.T.B.; Gunathilaka, P.A.D.H.N.; Udayanga, N.W.B.A.L.; Wijegunawardena, N.D.A.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)

Ivermectin and spinosad have longevity reducing effects in several insect species, including disease transmitting mosquitoes after feeding blood contaminated with above toxicants on hosts. Therefore, this approach could ...
Emerging Spatio-Temporal Trends in Dengue Incidence in Poojapitiya Medical Officer of Health (MOH), Central province, Sri Lanka

Udayanga, N.W.B.A.L.; Gunathilaka, P.A.D.H.N.; Iqbal, M.C.M.; Kusumawathie, P.H.D.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Dengue has emerged as one of the major threats to the health sector of many countries including Sri Lanka, due to the increasing number of reported dengue cases over time. Therefore, a statistical and geo-informatics ...
Evaluation the Oviposition Behaviour of Aedes Aegypti and Ae. Albopictus Mosquitoes; Main and Secondary Vector for Dengue Transmission in Sri Lanka under Laboratory Conditions

Gunathilaka, P.A.D.H.N.; Ranathunga, R.M.T.B.; Udayanga, N.W.B.A.L.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)

Studies on the oviposition behavior of Aedes albopictus and Ae. aegypti are critical for effective controlling of dengue vector breeding. However, less attention has been drawn on such aspects of vector biology and ...
IGamma- ray irradiation as a method for sterilization of males of Aedes albopictus (skuse) for its control through Sterile Insect Technique (SIT)

Harishchandra, J.; Abeyewickreme, W.; Hapugoda, M.D.; Premaratne, R.G.; Gilles, J.R.L. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Sterile Insect Technique (SIT) can be integrated with other conventional control methods to suppress population of Aedes albopictus, a vector of dengue in Sri Lanka. A study was conducted to determine the effective dose ...
Laboratory Evaluation of the Bio-control Efficacy of Selected Copepods on Dengue Vectors of Sri Lanka

Udayanga, N.W.B.A.L.; Ranathunge, R.M.T.; Iqbal, M.C.M.; Abeyewickreme, W.; Hapugoda, M. (19th Conference on Postgraduate Research, International Postgraduate Research Conference 2018, Faculty of Graduate Studies,University of Kelaniya, Sri Lanka, 2018)

Among variety of alternatives for management of dengue vectors, biological control remains as a promising approach, due to its high efficacy, sustainability and low impacts on human and ecosystem health. Copepods are ...
Larvivorous Potential of Four Fish Species Against Dengue Vectors in The Kandy District of Sri Lanka

Kusumawathie, P.H.D.; Jayasooriya, G.A.J.S.K.; Gunathilaka, P.A.D.H.N.; Hapugoda, M.D.; Abeyewickreme, W. (Faculty of Graduate Studies, University of Kelaniya, 2015)

There is a growing concern on the effects of insecticides that are used for the control of mosquito vectors of human diseases. Introducing a self propagating predator into the vector breeding habitats may present continual ...

Browsing Graduate Studies by Author "Abeyewickreme, W."

Browsing Graduate Studies by Author "Abeyewickreme, W."

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