What separates humans from other living beings is language. But most people use their precise language so imprecisely, that they are not better off than being a prairie dog…
Very few mites that live on humans bite. The ones that don’t, happily live on the shredded skin, or bodily fluids. Really.
The dust mites that live in our mattresses don’t bite. Ear mites, on the other hand, do bite occasionally. Not for sustenance, but for self-protection, or to prevent themselves from slipping.
Spider mites bite from frustration. Itch (vaginal) mites don’t bite either.
Spider mite nymphs, a stage of the spider mite, don’t bite either… but they do pierce your skin, attach themselves like a leach or a bed bug, but instead of going deep enough to reach blood, they insert a chemical that liquifies your skin and they drink that for sustenance. In a day or two they develop to full adult spider mites and mate, and the cycle begins anew.
The spider mites that live on humans carefully hide the first three stages of the development of their offspring: they lay eggs in your throat, in a sac of spider web that provides the eggs with air and keeps them together. That is why doctors don’t find them in your stool… they are not spread all over, like worms’ eggs. They are laid together, and they are born together. And they itch down there like hell…
But itching is not from them biting, it is their design: their body is covered with itchy “hair” that irritates your skin receptors. Once they are out of the crowded area, they stop itching, although if you are sensitive enough, few are, you can see them crawling.
The vaginal or itch mites also hide their development, they use the vagina to do that. They have a body shape like a cube with very sharp corners and edges… and they have the habit of rolling around, and itch you in the process.
The major skin damage is due to your unconscious scratching… to get rid of the itch. Scratching is both harmful and ineffective: the troublemaker is far far away by the time you scratch.