Human Itch Mite
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Order: Sarcoptiformes, Family: Sarcoptidae
Size: 0.30 to 0.45 mm long (females); males are about half that size.
Natural Habitat
The epidermis (outer layer) of human skin.
Diet & Feeding
Dissolved skin cells and extracellular fluid.
Behavior Patterns
Gravid females burrow into the stratum corneum of the skin to lay eggs. They are microscopic and typically spread through prolonged direct skin-to-skin contact.
Risks & Benefits
Causes Scabies, characterized by intense itching and a pimple-like rash. Risks include secondary bacterial infections from scratching. There are no known ecological benefits for humans.
Identified on: 5/18/2026