Community identification
Human Itch Mite
Sarcoptes scabiei var. hominis
- Order & Family
- Order: Sarcoptiformes; Family: Sarcoptidae
- Size
- 0.30 to 0.45 mm (females), males are roughly half that size
Natural Habitat
The epidermis (outer layer) of human skin
Diet & Feeding
Feeds on dissolved skin cells and inflammatory fluid
Behavior Patterns
Burrows into the upper layer of the skin to live and deposit eggs; primarily active at night, which causes intense nocturnal itching
Risks & Benefits
Causes Scabies, a highly contagious skin infestation; risk of secondary bacterial infections (like impetigo) due to scratching; no ecological benefits to humans