二灭蚊 1.对蚊子的害处及其种类的观察:蚊虫的主要害处除了牠直接喙人皮肤以外,更重要的是牠能传播疟疾、流行性乙型脑炎(大脑炎)、丝虫病、登革热、黄热病等传染病。而在我国最为严重的,当为疟疾和流行性乙型脑为。祖国民族遗产中有关蚊虫害处的记载,很早已经开始。汉代字书说文解字介绍“蚊”字时说:“(?)人飞虫也。”肯定指出蚊虫是叮人的飞虫。又如荘子、列子等书中也时有关於蚊虫害处的记载。如荘子书中说:“蚊虻疟肤,则通昔(夕)不寐矣,”即是说由於蚊虫为害而影响夜间安睡。晋代抱朴子书中还说:“蚊疟肤则坐不得安。”说明蚊虫还足以使人不能静坐休息。以上二事,对人类健康都会起到相当影响。汉、王充所著论衡书中更进一步地说:“案虫害人者,莫如 Mosquitoes 1. Observation of the Harm and Species of Mosquitoes: The main harm of mosquitoes is that apart from its direct skin, it is more important that it transmits malaria, Japanese encephalitis (encephalitis), filarial Diseases, dengue fever, yellow fever and other infectious diseases. And the most serious in our country when it is for malaria and pandemic. The record of the harmful effects of mosquitoes in the national heritage of the motherland has long since begun. Introduction to the Han Dynasty text book word “mosquito” said: “(?) People also insects.” Certainly point out that mosquitoes are bites flying insects. Another example is prickly heat, Liezai and other books also have records of the harm of mosquitoes. If the book reads: “Mosquitoes and malaria, then the pass (Eve) sleepless,” that is to say, mosquito damage and affect nighttime sleep. Pujin book in the Jin Dynasty also said: “mosquito malaria is not allowed to sit.” Description of mosquitoes is also enough to make people can not sit back and rest. The above two things, will have a considerable impact on human health. Han, Wang Chong’s book on balance further said: "Case insects, like