Mold mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Order: Sarcoptiformes / Family: Acaridae

Size: 0.3 - 0.45 mm (extremely small, often requiring magnification)

Mold mite

Natural Habitat

Damp environments with high humidity, often found in kitchens, pantries, or on decaying organic matter and stored food products

Diet & Feeding

Mainly fungal spores and mycelia from mold, as well as high-protein or high-fat stored foods like cheese, seeds, and grain

Behavior Patterns

They exhibit a rapid life cycle under warm, humid conditions; they are known to aggregate in large numbers on infested surfaces, appearing as a moving 'dust'

Risks & Benefits

Risks include potential skin irritation (mange-like) or respiratory allergies in humans and pets; they are considered a pest because they contaminate food supplies

Identified on: 1/10/2026