北京市有松材线虫的寄主植物、媒介昆虫和适宜的定殖环境，应引起高度重视。
There are host plant, media insect and suitable reproduction environment in Beijing city, we should take it seriously.
经常提到的同域物种形成实例，是在同一地区的、依赖于不同寄主植物的昆虫中发现的。
Often cited examples of sympatric speciation are found in insects which become dependent on different host plants in the same area.
同翅目飞虱、叶蝉等小型昆虫的鸣声是由寄主植物传递为介质的振动。
The sound of planthoppers and leafhoppers in Homoptera is a medium vibration that delivered by their host plant.
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