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105 which affect the oviposition behaviour of mosquitoes. These studies formed the basis i upon which research proposals to the Bill and Melinda Gates Foundation were made and wonand ii for the development of the Sticky Ovitraps which can be used to collect infected adult mosquitoes and reduce vector densities. To determine whether these mosquito behaviours were genetically modulateda series of molecular genetic studies were conducted in the field in Trinidad and these have proven to be significant with respect to vector management and control. Professor Chadees laboratory studies had shown that a mosquito did not lay all her eggs in one container but rather distributed them in two or more containers a feature he described as skip oviposition. Similar results were observed using molecular markers among ovipositing field populations in Trinidad.Natural skip ovipositionof the mosquito Aedes aegypti as evidenced by codominant genetic markers and in another study with these collaborators they demonstrated that highways create or serve as barriers to flying mosquitoes. The results showed distinctly different genetic markers in mosquitoes on the eastern and western sides of the Uriah Butler Highway. These unique behaviours were not known in the field because the tools were not available but with molecular markers becoming available these studies became possible. His current research plan is to continue serving on several UWI committees expand the sterile insect technique SIT work using funding from the IAEA by doing field trials in large cages and ultimately conducting field trials in Trinidad and Tobagocomplete the work currently being conducted on the Darwin finches on the Galapagos Islands develop new techniques and vector control strategies for dengue and chikungunya and to develop dengue transmission models. Selected Publications Chadee D.D. P. Kittayapong A.C. Morrison and W.J. Tabachnick. Genetics. A break through for global public health. Science 2007 3161703-1704. Woodward A. K.R. Smith D. Campbell-Lendrum D.D. Chadee Y. Honda Q. Liu J. Olwach B. Revich R. Sauerborn Z. Chafe U. Confalonieri AND A. Haines. Climate change and health on the latest IPCC reportThe Lancet 2014httpdx.doi.org10.1016S0140-67361460576-6. Chadee D.D. Resting behaviour of Aedes aegypti in Trinidad with evidence for the re-introduction of indoor residual spraying IRS for dengue control. Parasites Vectors20136255