
Community identification
Human Itch Mite
Sarcoptes scabiei var. hominis
- Order & Family
- Order: Sarcoptiformes; Family: Sarcoptidae
- Size
- 0.3 to 0.45 mm long (females); 0.2 to 0.25 mm (males)
Natural Habitat
The epidermis of human skin, particularly in folds and crevices
Diet & Feeding
Skin cells and extracellular fluid found within the epidermis
Behavior Patterns
The female mite burrows into the upper layers of the skin to lay eggs; they are most active at night, causing intense itching
Risks & Benefits
Causes scabies, a contagious skin infestation; complications include secondary bacterial infections from scratching