Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes; Acaridae

Size: 0.3 to 0.45 mm (nearly microscopic)

Mold Mite

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