Cats' reactions to mite infestations range. Some cats Never feel bothered by even numerous mites, but other cats itch intensely with only a small number. The former may be hypersensitive to mite saliva, so just a couple mites in the ear canal can cause discomfort. Also, mites encourage the wax-generating glands In the ear. The buildup of wax can then trigger inflammation and bring description on all the more pain for that cat. One particular symptom of the mite infestation is a buildup of dark wax that appears one thing like coffee grounds.}