Mold Mite
Scientific Name: Tyrophagus putrescentiae
Order & Family: Sarcoptiformes; Acaridae
Size: 0.3 to 0.45 mm (nearly microscopic)

Natural Habitat
High humidity environments with fungal growth, food storage areas, and damp household locations.
Diet & Feeding
Primarily feeds on mold, fungi, and products high in protein and fat like seeds, nuts, and cheese.
Behavior Patterns
Rapid reproduction in humid conditions; they often appear as moving white dust or 'walking dust'.
Risks & Benefits
Non-biting and harmless to structures, but can cause allergic reactions (dermatitis or respiratory issues) in sensitive individuals and contaminate stored food.
Identified on: 1/13/2026