Human Itch Mite

Scientific Name: Sarcoptes scabiei var. hominis

Order & Family: Order: Sarcoptiformes; Family: Sarcoptidae

Size: Microscopic; females are approximately 0.30–0.45 mm long, while males are about half that size.

Human Itch Mite

Natural Habitat

The epidermis (outer layer) of human skin, specifically burrowing within the stratum corneum.

Diet & Feeding

They feed on human skin cells and extracellular fluid found in the burrows they create.

Behavior Patterns

The female mite burrows into the skin to lay eggs, which hatch into larvae. They are spread by direct, prolonged skin-to-skin contact and can survive only 48-72 hours away from a human host.

Risks & Benefits

Causes Scabies, characterized by intense itching and a pimple-like skin rash. Risks include secondary bacterial infections from scratching; there are no known ecological benefits.

Identified on: 1/11/2026