Bug Identifier
Human Itch Mite
Community identification

Human Itch Mite

Sarcoptes scabiei var. hominis

Order & Family
Order: Sarcoptiformes, Family: Sarcoptidae
Size
Microscopic; females are approximately 0.30–0.45 mm long, males are about half that size.
See this bug in the Encyclopedia

Natural Habitat

The epidermis (outer layer of skin) of humans, specifically areas with folds like fingers, wrists, armpits, and genitals.

Diet & Feeding

Skin cells and fluid that results from the digestion of skin tissue using enzymes secreted by the mite.

Behavior Patterns

Adult females burrow into the upper layer of the skin to lay eggs. They move at a rate of 2-3 mm per day and lay 2-3 eggs daily during their 1–2 month lifespan.

Risks & Benefits

Causes Scabies, a highly contagious skin infestation characterized by intense itching and a pimple-like rash. Scratching can lead to secondary bacterial infections like impetigo or cellulitis.