
Community identification
Dust Mite
Dermatophagoides pteronyssinus
- Order & Family
- Order: Sarcoptiformes, Family: Pyroglyphidae
- Size
- 0.2–0.3 mm in length (microscopic)
Natural Habitat
Found indoors in high-humidity areas like bedding, mattresses, carpets, and upholstered furniture.
Diet & Feeding
Feeds primarily on dead skin cells shed by humans and pets.
Behavior Patterns
They prefer warm, moist environments and complete their life cycle from egg to adult in about a month; they are too small to be seen with the naked eye.
Risks & Benefits
They do not bite but are a major source of allergens; their proteins can trigger asthma, eczema, and allergic rhinitis in sensitive individuals.