Bug Identifier
House dust mite
Community identification

House dust mite

Dermatophagoides pteronyssinus

Order & Family
Order: Sarcoptiformes, Family: Pyroglyphidae
Size
0.2 to 0.3 millimeters (nearly invisible to the naked eye)
See this bug in the Encyclopedia

Natural Habitat

Indoor environments, specifically within household textiles like mattresses, carpets, and upholstered furniture.

Diet & Feeding

Mainly detritivorous; they feed on dead organic matter, particularly skin cells shed by humans and pets.

Behavior Patterns

They are globally distributed, thrive in warm, humid conditions (relative humidity above 50%), and have a life cycle that lasts several weeks.

Risks & Benefits

Risks: Their fecal pellets and body parts contain proteins that are common allergens, potentially triggering asthma, eczema, and allergic rhinitis. Benefits: They play a minor role in the ecosystem by breaking down organic waste.