COLOUR PREFERENCE FOR OVIPOSITION BEHAVIOR OF GRAVID FEMALE AEDES AEGYPTI IN LABORATORY CONDITION
Journal Title: World Journal of Pharmaceutical and life sciences - Year 2018, Vol 4, Issue 9
Abstract
Aedes aegypti and Aedes albopictus are the principal mosquito vectors of DF and DHF viruses Globally. For oviposition preference of Aedes aegypti mosquitoes, different colours of papers were lined in 30ml amounts of distilled water in hundred ml plastic beakers. The ovitraps were placed 1cm interval between each other in 500 gravid Aedes aegypti mosquito released cage. In the cage, the coloured traps were placed alphabetically such as black, blue, brown, green, pink, purple, red, white and yellow in insectary of Medical Entomology Research Division, Department of Medical Research. The traps were carefully observed after 24 of next day. All laid eggs papers were carefully took off and placed in white tray as well as allowed to dry for 5 hours in room temperature. Eggs were counted under 20X dissecting microscope and number of eggs was recorded individually according to the colours. Monthly oviposition test was done for 7 months (Seven replicated). All the beakers were carefully observed and counted remaining eggs of mosquitoes. Result revealed that the highest preference of oviposition of gravid Aedes aegypti female against different colours were observed 13154 in Black ovitrap followed by Red coloured ovitrap 8297 and lowest eggs were observed 1302eggs in Yellow trap. All 7 replications of test, over 1000 eggs were laid 6 times in Black traps, 4 times in Red trap, and one time in white and pink traps. In conclusion, Black and Red coloured ovitraps were most preference and white was less preference for oviposition of gravid Aedes aegypti mosquitoes. Till now, Aedes mosquito control is the only option to stop dengue virus transmission. The study recommended that, based on these findings, control tools and strategies could be possible to design and develop suitable ovitraps for the control of Aedes mosquito vectors.
Authors and Affiliations
Dr. Maung Maung Mya
Keywords
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