Human Itch Mite

Scientific Name: Sarcoptes scabiei var. hominis

Order & Family: Order: Sarcoptiforms; Family: Sarcoptidae

Size: 0.30 - 0.45 mm for females; males are roughly half that size.

Human Itch Mite

Natural Habitat

The upper layer (epidermis) of human skin.

Diet & Feeding

Skin cells (keratin) and extracellular fluid.

Behavior Patterns

Females burrow into the stratum corneum of the skin to lay eggs; they are obligate parasites that cannot survive off a host for more than 2-3 days.

Risks & Benefits

Causes Scabies, characterized by intense itching and rashes; can lead to secondary skin infections like impetigo if left untreated.

Identified on: 4/10/2026