Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes, Acaridae

Size: 0.3–0.5 mm

Mold Mite

Natural Habitat

Humid environments with high moisture, often found on decaying organic matter, stored food products, and in dwellings with mold growth.

Diet & Feeding

Feeds mainly on fungi and mold (such as Penicillium and Aspergillus), but can also consume grains and various high-protein organic materials.

Behavior Patterns

Rapid reproduction in humid conditions; they travel in large numbers toward moisture and food sources, often appearing as a moving white or yellowish dust.

Risks & Benefits

Can cause allergic reactions or asthma in humans when inhaled; they are nuisances that contaminate food supplies, though they indicate an underlying moisture or mold issue.

Identified on: 1/3/2026