蚊子的选择揭秘:为什么咬我不咬他,本文是一篇关于蚊子论文范文，可作为相关选题参考,和写作参考文献。
蚊子论文参考文献：
For those unfortunate enough to feature highly on the mosquito hit list, summer nights are synonymous with mosquito bites. Yet others hardly ever get bitten. So how do the bloodthirsty insects select their victims?
The insects’ tastes may seem arbitrary. However, research reveals that when mosquitoes make their choice between potential victims, it all comes down to scent.
“Mosquitoes are attracted by carbon dioxide and heat, which everyone gives off. But mosquitoes are also attracted by certain scents.” says Karl-Martin Vagn Jensen, head of the Department of Agriculture from Aarhus University, Denmark. According to Jensen, it has not yet been established exactly what the scents in question are. But research does indicate that some scents are more attractive to mosquitoes than others.
“All the lab employees rubbed petri dishes against their stomachs. In that way, their scents were deposited on the dishes, which were then put in an enclosure full of mosquitoes,” he says.
“The mosquitoes repeatedly landed on some of the petri dishes, but didn’t go anywhere near the others. ”
Perhaps taking inspiration from popular fiction, there are also those who swear by garlic as an excellent repellent against the winged bloodsuckers. According to the researcher, though unsubstantiated, this strategy may not be entirely fruitless： There may be something to the theory that it’s possible to mask people’s scent with garlic.
The only reliable method of protection against mosquitoes is to use one of the effective repellents. Mosquito repellent contains some ells that confuse the mosquitoes. The first thing a mosquito does when looking for prey is to see if there are any animals or people in the vicinity.
“When the mosquito comes closer, it uses ell, heat and carbon dioxide to decide whether to bite. But if it is confused by a repellent, it will never get that far,” says Jensen. However, even repellents do not provide complete protection against the persistent insects.
“Repellents reduce the number of bites by as much as 70 percent. That’s all well and good, but you’ll still get bitten once in a while.”
对那些很不幸被蚊子列为叮咬对象的人们来说,夏夜就是蚊虫叮咬的代名词.而有些人却从未被蚊子叮咬过.那么这些吸血虫是如何选择它们的受害对象的呢?
蚊虫的口味好像很随意.然而研究显示当蚊子要从潜在的受害者中选择对象时,还是气味起了决定作用.
“蚊子会被每个人都会散发出的二氧化碳和热量所吸引,但蚊子也会被某些特定的气味所吸引.”丹麦阿尔胡斯大学农学部研究的负责人卡尔-马丁·威·詹森说.根据他的说法,目前还无法确定那些会吸引蚊子的气味到底是哪些.但研究的确指出了有些气味相比较其他气味而言更会吸引蚊子.
“所有的实验室人员都把培养皿在他们的腹部轻轻擦了擦.通过这种方式,他们的气味就存储在了培养皿上,然后把培养皿放置在一个蚊子出没的地方.”詹森说.
“蚊子会反复地停留在某些培养皿上,却不会飞到附近其他的培养皿上.”
也许从流行小说里得到了一些启发,也有些人宣称大蒜是一种可以用来对付蚊子的很好的防虫剂.据研究人员透露,尽管还未经证实,但这种方法也并非完全无效：在理论上它也许是行得通的,可以用大蒜来掩盖人体的气味.
唯一有效的免于蚊虫叮咬的方法是使用对付蚊虫的强效防蚊剂.防蚊剂包含了一些让蚊子产生混淆的气味.蚊子寻找猎物要做的第一件事是侦查附近有没有动物和人.
“当蚊子靠近时,它会根据气味、热量和二氧化碳来决定是不是要叮咬.但如果它被防蚊剂弄迷糊了,就不会轻率行动.”詹森说.然而,即使是防蚊剂也没能让人们完全免于蚊虫频繁袭击.
“防蚊剂可以减少蚊虫的叮咬次数,最多能降低70%.这样的效果算很不错了,但你仍会时不时地被咬上一口.”
结论：关于蚊子方面的的相关大学硕士和相关本科毕业论文以及相关蚊子论文开题报告范文和职称论文写作参考文献资料下载。
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