Human Itch Mite (Scabies)

Scientific Name: Sarcoptes scabiei var. hominis

Order & Family: Sarcoptiformes; Sarcoptidae

Size: 0.30 to 0.45 mm (females), 0.20 to 0.25 mm (males)

Human Itch Mite (Scabies)

Natural Habitat

Human skin, specifically within the epidermis (stratum corneum)

Diet & Feeding

Dissolved skin cells and fluids

Behavior Patterns

The female mite burrows into the upper layer of the skin to lay eggs. It is primarily nocturnal, which is when the intense itching typically occurs. Mites are transmitted via direct, prolonged skin-to-skin contact.

Risks & Benefits

Causes Scabies, characterized by intense itching and a pimple-like rash. Untreated cases can lead to secondary bacterial infections from scratching. It offers no benefits to the host or ecosystem and is considered a parasite.

Identified on: 2/4/2026