论文部分内容阅读
蚊子能传播流行性乙型脑炎等多种疾病,给人类带来的危害可想而知。所以,人们一直在寻觅灭蚊的好办法。一种生物灭蚊方法令人们得到了很多实惠。这就是利用食蚊鱼灭蚊。食蚊鱼,又称柳条鱼。鱼纲,食蚊鱼科。体侧扁,长3～4厘米,雄性较小。青灰色。头宽而平扁。口小。牙细小。鳞呈
Mosquitoes can spread a variety of diseases such as Japanese encephalitis, which can bring harm to human beings. So, people are always looking for a good way to kill mosquitoes. A biological mosquito method makes people get a lot of benefits. This is the use of mosquito fish mosquito. Mosquito fish, also known as wicker fish. Fish class, mosquito fish family. Side of the body flat, 3 to 4 cm long, smaller males. Gray-green. Head wide and flat. Small mouth. Small teeth. Scale was