Bug Identifier
Itch mite
Community identification

Itch mite

Sarcoptes scabiei

Order & Family
Order: Sarcoptiformes; Family: Sarcoptidae
Size
Microscopic, typically 0.3 to 0.45 mm long (females) and 0.2 to 0.24 mm long (males).
See this bug in the Encyclopedia

Natural Habitat

The epidermis of human skin and other mammalian hosts.

Diet & Feeding

Feed on dissolved skin cells and fluids of the host organism.

Behavior Patterns

Female mites burrow into the upper layer of the skin to lay eggs. This burrowing causes an allergic reaction and intense itching. The life cycle from egg to adult takes about 10-15 days.

Risks & Benefits

Causes scabies, characterized by severe itching and a pimple-like rash. It is highly contagious through direct skin-to-skin contact. No known ecosystem benefits to humans; considered a significant public health nuisance.