Scabies Mite (burrow)
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Order: Sarcoptiformes / Family: Sarcoptidae
Size: Microscopic; adult females are 0.30–0.45 mm long and 0.25–0.35 mm wide.

Natural Habitat
The epidermis (outer layer) of human skin, particularly warm, moist areas like between fingers, wrists, elbows, and armpits.
Diet & Feeding
Feeds on dissolved human tissue (stratum corneum), not blood.
Behavior Patterns
Female mites burrow into the upper layer of the skin to lay eggs, creating the characteristic linear or S-shaped track (burrow) seen in the image. They are active mostly at night, which is when itching is most intense.
Risks & Benefits
Risks: Causes Scabies (Sarcoptic Mange), a highly contagious skin infestation characterized by intense itching and a pimple-like rash. Secondary bacterial infections (like impetigo) can occur from scratching. Benefits: None known to humans or the ecosystem as they are obligate parasites.
Identified on: 2/7/2026