Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Order: Sarcoptiformes, Family: Acaridae

Size: 0.3–0.45 mm (extremely tiny, appearing as moving dust)

Mold Mite

Natural Habitat

High-humidity environments, kitchens, pantries, and stored products such as grain, cheese, or dried meats.

Diet & Feeding

Primarily feeds on mold, fungi, and yeasts, but also consumes high-protein stored foods like seeds, nuts, and semi-moist pet food.

Behavior Patterns

They are attracted to moisture and fungal growth; they can reproduce rapidly under ideal conditions (warm and humid), appearing as a 'thin coating of white dust' that moves.

Risks & Benefits

They do not bite humans or pets but can cause allergic reactions (dermatitis or respiratory issues) in sensitive individuals. They can contaminate stored food products, making them unfit for consumption.

Identified on: 3/16/2026