Bug Identifier
Itch mite
Community identification

Itch mite

Sarcoptes scabiei

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

Natural Habitat

The epidermis (outer layer) of human skin, specifically tunnels burrowed within it.

Diet & Feeding

The mites feed on skin cells and extracellular fluid of the host.

Behavior Patterns

The female mite burrows into the skin to lay eggs, which hatch in 3-4 days. The mites are more active at night and the burrows often appear as thin, wavy, skin-colored lines.

Risks & Benefits

Causes Scabies, a highly contagious skin infestation characterized by intense itching and rashes. Risks include secondary bacterial infections from scratching. There are no ecological benefits known to humans.