Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes: Acaridae

Size: 0.3–0.45 mm

Mold Mite

Natural Habitat

Damp environments high in moisture and organic matter, such as kitchens, bathrooms, pantries, and storage areas with mold growth

Diet & Feeding

Primarily feeds on mold, fungi, and high-protein/high-fat stored foods like cheese, processed grains, and seeds

Behavior Patterns

Rapid reproduction in high humidity; they often appear as moving 'dust' or white specks when grouped together in large numbers

Risks & Benefits

Generally harmless to structures but can cause skin irritation (grocer's itch), respiratory allergies in humans, and contamination of stored food products

Identified on: 5/26/2026