Human Itch Mite (Scabies)
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Order: Sarcoptiformes; Family: Sarcoptidae
Size: 0.3 to 0.45 mm for females; males are roughly half that size
Natural Habitat
Human skin, specifically the stratum corneum layer of the epidermis
Diet & Feeding
Skin cells and extracellular fluid
Behavior Patterns
The female mite burrows into the upper layer of the skin to lay eggs, creating characteristic linear or S-shaped tracks. They are most active at night.
Risks & Benefits
Causes scabies, a contagious skin infestation characterized by intense itching and a pimple-like rash. Secondary bacterial infections can occur from scratching. No known benefits.
Identified on: 1/13/2026