demodex

noun

de·​mo·​dex ˈdem-ə-ˌdeks  ˈdēm- 

1

capitalized : a genus (coextensive with a family Demodicidae) of minute elongated cylindrical mites with the legs greatly reduced that live in the hair follicles especially about the face of humans and various furred mammals and in the latter often cause demodectic mange

2

: any mite of the genus Demodex : follicle mite