Mosquitoes are vectors of several diseases like malaria, filariasis, dengue fever, yellow fever, etc., causing serious health problems to human beings. The present resurgence of these diseases is due to the higher number of breeding places in today's throaway society. Further, the indiscriminate use of synthetic insecticides is creating multifarious problems like environmental pollution, insecticide resistance and toxic hazards to human being. Globally, there has been a conscientious effort to overcome these problems and great emphasis has been placed recently on eco- friendly and economically viable methodologies for pest control.However, if we could isolate and chemically characterize the active compounds, then probably it will be easy to plan a cost-effective synthesis of these molecules. As it is not wise to disturb ecological balance by collecting marine plants, in large quantities, synthesis of active molecules in laboratory is the best option. The results as well as the significance of this preliminary investigation highlight the importance of marine plants as a novel source for natural insecticidal products

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Dr.M.Syed Ali has obtained his Ph.D Degree in Marine Biotechnology in 2011. Now he is working Assistant Professor, PG&Research Department of Biotechnology, Mohamed Sathak College of Arts & Science (Affiliated By University of Madras, Chennai,India.His filed of research Marine Biotechnology, Marine Pharmacology and Nanomedicine.