House Dust Mite
Scientific Name: Dermatophagoides pteronyssinus
Order & Family: Order: Sarcoptiformes, Family: Pyroglyphidae
Size: 0.2–0.3 mm (too small to be seen clearly by the naked eye)
Natural Habitat
Commonly found in domestic environments, specifically in mattresses, carpets, upholstered furniture, and pillows.
Diet & Feeding
Feeds on organic detritus, primarily dander (dead skin scales) shed by humans and pets.
Behavior Patterns
They thrive in humid environments with low light. They do not burrow or live on people, but stay within textiles where food is abundant.
Risks & Benefits
Major source of allergens; their waste products can cause asthma, eczema, and allergic rhinitis in sensitive individuals. Do not bite.
Identified on: 5/15/2026