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

Found globally within human dwellings, specifically in soft materials like mattresses, pillows, upholstered furniture, and carpets.

Diet & Feeding

Feed primarily on detritus, specifically dander (dead skin scales) shed by humans and pets, as well as some fungal spores.

Behavior Patterns

Prefer high humidity and warm temperatures; they go through five life stages from egg to adult and are typically nocturnal in movement within microhabitats.

Risks & Benefits

Major source of allergens for humans; their feces and exoskeletons contain proteins that can trigger asthma, eczema, and allergic rhinitis.

Identified on: 12/28/2025