Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes / Acaridae

Size: 0.3 - 0.5 mm (nearly microscopic, appearing as whitish dust)

Mold Mite

Natural Habitat

Found indoors in areas with high humidity, kitchens, pantries, and damp storage where mold or fungi grow.

Diet & Feeding

Primarily feeds on mold, fungi, and high-protein/fat stored foods like seeds, grains, and dry pet food.

Behavior Patterns

They prefer moist environments and can reproduce rapidly under the right conditions. They are often seen as a slow-moving "walking dust" on dark surfaces.

Risks & Benefits

Generally harmless to humans but can cause skin irritation or allergic reactions (dermatitis) in sensitive individuals. They are considered pests as they contaminate stored food products.

Identified on: 12/26/2025