Mold Mite
Scientific Name: Tyrophagus putrescentiae
Order & Family: Order: Sarcoptiformes, Family: Acaridae
Size: 0.3 to 0.45 mm (barely visible to the naked eye as tiny white specks)
Natural Habitat
Damp, high-humidity environments where fungal growth or mold is present, often found in kitchens, pantries, or on stored crops.
Diet & Feeding
Primarily feeds on mold, fungi, and decaying organic matter; also known to infest high-protein stored foods like cheese, seeds, and nuts.
Behavior Patterns
They reproduce rapidly in humid conditions and can aggregate in large numbers, appearing as moving dust or fine white powder on surfaces.
Risks & Benefits
They do not bite humans or pets but can cause allergic reactions ('grocer's itch') and respiratory issues if inhaled in large quantities. They can contaminate stored food products but do not cause structural damage.
Identified on: 5/18/2026