Psychophagic mites are parasites living off the life force of human beings. If they feed also on other living beings it is unknown. They appear in the story "Day Off".

In the seriesEdit

"Day Off"Edit

Main article: Day Off

In "Day Off", they attack Andi Macklin and Kirby, feeding off their life force, and forcing them to request Harry Dresden's help to be cleansed.[1]