Community identification
Dust mite
Dermatophagoides pteronyssinus
- Order & Family
- Order Sarcoptiformes, Family Pyroglyphidae
- Size
- 0.2 to 0.4 mm
Natural Habitat
Indoor environments, particularly in household dust, mattresses, carpets, and upholstered furniture.
Diet & Feeding
They feed primarily on shed human and animal skin cells (dander).
Behavior Patterns
They thrive in warm, humid environments (above 70% humidity) and avoid direct light. They do not drink liquid water but absorb moisture from the air.
Risks & Benefits
They do not bite or transmit diseases, but their body parts and waste products are potent allergens that can trigger asthma, allergic rhinitis, and eczema in sensitive individuals.