Science in recent years has made a tremendous impact on human life. In search for scientific explanation on various phenomena particularly in coping with the society’s demand for improvement, man adopts and transforms the environment to satisfy his needs thus resulting in the concept of development and modernization.
The war against unwanted organisms entered a new phase of development in the twentieth century with the invention of synthetic organic chemicals. These chemicals have been an important part of our increased crop production and have helped control many disease-causing organisms.
The emergence of diseases such as malaria, yellow fever, west voile virus, filariovirus, abovira lencephalitides and dengue fever has been blamed on mosquitoes. If not treated at early stage, these diseases can lead to death. Mosquitoes have become a major public health concern across the globe.
The mosquitoes are a family of small, midge-like flies: the Culicidae. Although a few species are harmless or even useful to humanity, most are a nuisance because they consume blood from living vertebrates, including humans. In feeding on blood, various species of mosquitoes transmit some of the most harmful human and livestock diseases. Some authorities argue accordingly that mosquitoes are the most dangerous animals on Earth.
Worldwide advocacy are being implemented to eradicate mosquito. Efforts to eradicate malaria have focused on elimination of mosquito vectors, developing drugs to poison the parasites that have entered the body and developing vaccines. From the past year, wide-scale applications of DDT (diclourodiphenyltrichloroetane) killed mosquitoes in the United States, Italy, Greece, and certain areas of Latin America. For a time, the worldwide elimination of malaria appeared possible. But this hope was soon crushed by the development of DDT-resistant mosquitoes in many regions. Further, it is observed that there are serious environmental...