Bug Identifier
Mold Mite
Community identification

Mold Mite

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)
See this bug in the Encyclopedia

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.