Creepy Crawlies: A case study from the New England Journal of Medicine:

A 24-year-old man and his fiancée had pruritus of two months' duration. They had similar skin lesions, with burrows on the webs between their fingers. A specimen obtained from scrapings of the woman's hand was prepared and examined with the use of a scanning electron microscope.

Most of us have to make due with a humble light microscope. We don't get to see impressive bugs like this. Here and
here are examples of the typical scabies rash. And here's what the typical doctor sees when he finds the little creatures in a skin scraping.