吃害虫的昆虫有哪些-天气预报

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吃害虫的昆虫有哪些

更新时间： 2021-04-28 05:39:13

1、吃害虫的昆虫有青蛙、蜻蜓、七星瓢虫、蜘蛛、小燕子等，七星瓢虫这种成虫会去捕捉介壳虫、槐蚜、棉蚜等害虫，从而减轻瓜果或者树木等农作物遭受到这些害虫的损伤，因此七星瓢虫还被称为是活农药。

2、如今七星瓢虫在全国很多地方都有分布，俗称金龟子等。它的身体跟半个圆球一样，头部是黑色，翅膀是橘色，主要是因为翅膀上面有出现七个黑色的圆点，因此被称为七星瓢虫。

关键词：害虫昆虫哪些

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