Mold Mite
Scientific Name: Tyrophagus putrescentiae
Order & Family: Order Sarcoptiformes, Family Acaridae
Size: 0.3 to 0.45 mm

Natural Habitat
Damp environments with high humidity, often found on moldy food, damp wallpaper, or moisture-rich storage areas.
Diet & Feeding
Primarily feeds on fungi, yeasts, and bacteria found in decomposing organic matter or high-protein food sources like seeds and grains.
Behavior Patterns
They reproduce very rapidly in humid conditions. They are most active in darkness and often appear as moving white dust particles.
Risks & Benefits
They do not bite humans or pets but can cause allergic reactions, dermatitis, or respiratory issues (grocer's itch) when present in large numbers.
Identified on: 1/30/2026