Scabies Mite (or the condition caused by it, Scabies)
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Order: Sarcoptiformes, Family: Sarcoptidae
Size: Microscopic; females are approximately 0.30–0.45 mm long and 0.25–0.35 mm wide; males are smaller.
Natural Habitat
The epidermis (upper layer) of human skin, particularly in folds like between fingers, wrists, armpits, and genital areas.
Diet & Feeding
Tissue fluid and skin cells; they burrow into the stratum corneum of the skin to feed and lay eggs.
Behavior Patterns
The female mite burrows into the top layer of skin creating visible tracks (burrows) to lay eggs. Larvae hatch and travel to the skin surface to mature. Transmission occurs through prolonged direct skin-to-skin contact.
Risks & Benefits
Risks: Causes intense, persistent itching (especially at night) and a rash. Scratching can lead to secondary bacterial skin infections like impetigo. Highly contagious. Benefits: None known to humans or ecosystems.
Identified on: 2/20/2026