House Dust Mite

Scientific Name: Dermatophagoides pteronyssinus

Order & Family: Order: Sarcoptiformes, Family: Pyroglyphidae

Size: 0.2–0.3 mm in length

House Dust Mite

Natural Habitat

Indoor environments, primarily in mattresses, upholstery, and carpets where humidity is high.

Diet & Feeding

Mainly feeds on dander (dead skin scales) from humans and animals.

Behavior Patterns

Microscopic, light-avoiding organisms that thrive in warm, humid conditions (70-80% relative humidity).

Risks & Benefits

Potential risk of triggering asthma, allergic rhinitis, and eczema due to digestive enzymes found in their droppings.

Identified on: 5/16/2026