Chapter 1
Introduction
The origin and significance
of mosquitoes (MOSQUITOES) Mosquitoes are insects that are found worldwide, but is more common in tropical and subtropical areas. Evidence from fossils can assume. Mosquito emerges from the primitive world, about 38-54 million years ago found that in this world there are about 3,450 species of mosquitoes found in mosquitoes that have at least 412 species are known by a simple language is Thailand. aegypti mosquito Anopheles mosquito nuisance tiger or tiger mosquitoes and mosquitoes or mosquito giant elephant. Which does not cover all the existing genus of mosquitoes. Mosquitoes are insects that are generally small, with a body length of 4-6. Mm. Some are very small, 2-3 mm., And some may be longer than 10 mm. Mosquitoes are the head, chest and abdomen, and can be seen clearly separated from other insects. Easily By observing the morphology The following is A mouth like a turkey Protrudes forward And 1 pair of wings for flying mosquito life cycle is complete. (Holometabolous), which includes eggs (egg) larvae (larvae) pupae (pupae) and the mosquitoes (adult) in tropical countries. Most female mosquitoes can live for 2-3 weeks, or if the temperature. Humidity and lighting right, it may last up to 4-6 weeks or longer. The male mosquito Anopheles generally last about one week with a focus on medical equipment, especially as malaria. In Thailand, as found in the present Anopheles least 73 species, but there are only three major types of vehicles. Mosquitoes were found in houses or villages as a vehicle of the disease. The wild mosquito-borne disease elephantiasis
in a mosquito disease carriers due to the ideal environment for the growth of mosquitoes. For Thailand It is especially gratifying that our country has plants in the wild. Or be planted at least 20,000 species, representing 8 percent of the plants that exist in this world. And there are no less than 500 species of plants that our ancestors have chosen wisely. To be used as food and traditional herb used to treat ailments that local knowledge is considered a forerunner of the research. The point and focus on the precious treasure of the new generation of herbs like us can be studied further. Or lead to other applications in many different kinds of folk medicinal plants known to us as well, such as orange peel, lemongrass, kaffir lime marinade and turmeric, which is a chemical that can be used to get rid of mosquito larvae. Observed that Lemongrass has the effect of mosquitoes as well. Citronella is highly effective in the mosquito, which carries important information. The dengue Malaga lick fever And other diseases in India and abroad. The advantages of citronella other one is the fragrance does not cause pollution, high biological stability has been maintained by the active mosquitoes are also performing well. Thus, this experiment has studied herbs can mosquitoes away. To help prevent mosquito bites and infection. This will lead to various diseases. To prevent mosquito bites as a way to reduce the nuisance caused by mosquitoes and reduce the risk of mosquito-borne infection.
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