Itch mite (Scabies)

Scientific Name: Sarcoptes scabiei

Order & Family: Order: Sarcoptiformes, Family: Sarcoptidae

Size: 0.3 to 0.45 mm long (females), 0.2 to 0.25 mm long (males)

Itch mite (Scabies)

Natural Habitat

Human skin, specifically the stratum corneum (outermost layer)

Diet & Feeding

Skin cells and extracellular fluid

Behavior Patterns

Female mites burrow into the skin to lay eggs, creating tiny, wavy tunnels. They are most active at night, which coincides with increased itching in hosts.

Risks & Benefits

Causes scabies, a highly contagious skin infestation characterized by intense itching and rashes. Can lead to secondary bacterial infections from scratching. Provide no ecosystem benefits.

Identified on: 5/18/2026