What are mites? Mites are microscopic creatures that resemble miniature spiders. Among the mites species that attack cats and dogs, are members of the Sarcoptic mange mites (family Sarcoptidae), which burrow under the skin.  Demodex mites (family Demodicidae) are parasites that live in or near the hair follicles of mammals, including humans. Cheyletiella mites look…