Scabies Mite (Burrow/Skin debris)
Scientific Name: Sarcoptes scabiei var. hominis
Order & Family: Sarcoptiformes; Sarcoptidae
Size: Microscopic; adult females are 0.30–0.45 mm long (visible to naked eye as a tiny speck; image shows magnified skin burrow/crust)
Natural Habitat
Human skin (epidermis), specifically burrowing into the stratum corneum
Diet & Feeding
Human skin cells and fluids found within the epidermis
Behavior Patterns
Female mites burrow into the upper layer of the skin to lay eggs, creating serpentine tunnels (burrows). The larvae hatch and travel to the skin surface to mature. The lifecycle takes about 10-17 days.
Risks & Benefits
Risks: Extreme itching (especially at night), rash, sores from scratching, and secondary bacterial infections (like impetigo). Highly contagious through direct skin contact. No ecosystem benefits as it is an obligate parasite.
Identified on: 2/27/2026