Dust Mite

Scientific Name: Dermatophagoides farinae / Dermatophagoides pteronyssinus

Order & Family: Order: Sarcoptiformes; Family: Pyroglyphidae

Size: 0.2–0.3 mm in length (microscopic)

Dust Mite

Natural Habitat

Found indoors in household items that trap moisture and organic matter, such as mattresses, pillows, upholstered furniture, and carpets.

Diet & Feeding

Primary diet consists of dead skin cells (dander) shed by humans and pets.

Behavior Patterns

They prefer high-humidity environments (above 50%) and thrive in warm temperatures. They are not parasitic and do not bite; they spend their life cycle within the fibers of household materials.

Risks & Benefits

Risk: Major source of indoor allergens. Their waste products and decaying body parts can trigger asthma, eczema, and allergic rhinitis in sensitive individuals. Benefit: They act as decomposers by consuming organic waste (skin cells) in the environment.

Identified on: 1/10/2026