Itch mite (Scabies mite)

Scientific Name: Sarcoptes scabiei

Order & Family: Order: Sarcoptidiformes, Family: Sarcoptidae

Size: 0.3 to 0.45 mm long (adult females), roughly microscopic and invisible to the naked eye.

Itch mite (Scabies mite)

Natural Habitat

The epidermis of human or animal skin, specifically burrowing into the stratum corneum.

Diet & Feeding

Skin cells and extracellular fluid found within the epidermis.

Behavior Patterns

The female mite burrows into the skin to lay eggs, creating zigzagging tracks. They are primarily nocturnal, often causing increased itching at night. The life cycle involves egg, larva, nymph, and adult stages within the skin host.

Risks & Benefits

Risks: Causes scabies, an intense itchy skin infestation that can lead to secondary bacterial infections from scratching. No known benefits to the host or ecosystem.

Identified on: 4/15/2026