有害性昆虫即大家通常所认识的害虫，就是对我们人类的生存造成不利影响的昆

有害性昆虫即大家通常所认识的害虫，就是对我们人类的生存造成不利影响的昆虫的总称。
昆虫的有害性表现在很多方面，最常见的当然是在农业上无处不在的农业害虫，它们种类繁多，对农业的危害十分巨大，危害农作物的生长使其减产，威胁农产品的储存运输。

結果 (中文) 3:

Harmful insects, commonly known as pests, are insects that adversely affect our human existence.Harmful insects in many ways, the most common course is ubiquitous in agricultural pests, various types of damage to agricultural crops harm is huge, owing to the growth of the reduction and threat of agricultural products storage and transportation.