Human Itch Mite
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Order: Sarcoptiformes, Family: Sarcoptidae
Size: 0.3 to 0.45 mm long for females; males are roughly half that size.
Natural Habitat
The epidermis of human skin, specifically burrowing into the stratum corneum.
Diet & Feeding
Skin cells and extracellular fluid (serum) of the host.
Behavior Patterns
Microscopic mites that burrow under the skin to lay eggs, leading to an allergic reaction. They are primarily active at night and are transmitted through direct skin-to-skin contact.
Risks & Benefits
Causes Scabies, a highly contagious skin infestation characterized by intense itching and a pimple-like rash. No ecological benefits to humans; can lead to secondary bacterial infections like impetigo if left untreated.
Identified on: 1/3/2026