Bug Identifier
Demodex Mite (Face Mite)
Community identification

Demodex Mite (Face Mite)

Demodex folliculorum

Order & Family
Order: Trombidiformes; Family: Demodicidae
Size
0.3 mm to 0.4 mm in length
See this bug in the Encyclopedia

Natural Habitat

Human hair follicles and sebaceous (oil) glands, particularly on the face, forehead, cheeks, and eyelashes.

Diet & Feeding

Feeds on sebum (skin oils) and dead skin cells; they are obligate parasites and cannot survive away from a host.

Behavior Patterns

They are nocturnal, emerging onto the skin surface at night to mate and then returning to follicles to lay eggs. They move at a very slow rate of about 8-16 mm per hour.

Risks & Benefits

Usually harmless (commensal). However, high populations are linked to skin conditions like rosacea, blepharitis (eyelid inflammation), and demodicosis, causing itching or redness.