螨虫是一种近似昆虫的节肢动物,属蛛形纲,螨目,蜱螨亚目。螨虫体小,小的要用微米度量,而大者一般也不超过3毫米。螨虫的头、胸、腹组合成躯体,为卵圆形或椭圆形,有的则像蛆,呈白、黄、黄褐、鲜红或暗红色。它们自远古时代就存在于地球上,其生存能力非常强,4亿年来几乎没有什么 Mites is an insect-like arthropod, is arachnids, mites, acarina suborder. Mites body small, small to measure with the micron, and the larger are generally not more than 3 mm. Mites head, chest, abdomen combined into the body, oval or oval, while others are like maggots, was white, yellow, yellow brown, bright red or dark red. They have existed on Earth since ancient times, their viability is very strong, almost 400 million years, nothing