Common dust mite

Natural Habitat

Indoor environments, specifically within bedding, carpets, upholstered furniture, and dusty areas with high humidity.

Diet & Feeding

Primarily feed on dead human skin cells (dander) shed into environment, as well as some molds and fungi.

Behavior Patterns

They prefer warm, moist environments and dark spaces. Their life cycle lasts about 65–100 days; they do not bite humans but thrive where humans spend time.

Risks & Benefits

Major source of allergens. Enzymes in their faces and decaying body parts can trigger asthma, eczema, and allergic rhinitis in sensitive individuals. They have no significant benefits to humans.

Identified on: 3/17/2026