
Community identification
House Dust Mite
Dermatophagoides pteronyssinus / Dermatophagoides farinae
- Order & Family
- Order: Sarcoptiformes; Family: Pyroglyphidae
- Size
- 0.2–0.3 mm in length (microscopic)
Natural Habitat
Indoor environments, primarily found in mattresses, pillows, carpets, and upholstered furniture.
Diet & Feeding
Mainly feeds on dander (flakes of dead skin) shed by humans and pets.
Behavior Patterns
Prefer warm, humid conditions; they do not drink water but absorb moisture from the air. They undergo five life stages from egg to adult.
Risks & Benefits
Major source of indoor allergens; their waste products and carcasses can trigger asthma, eczema, and allergic rhinitis in sensitive individuals.