Mold Mite
Scientific Name: Tyrophagus putrescentiae
Order & Family: Sarcoptiformes: Acaridae
Size: 0.3 to 0.45 mm (nearly microscopic, appearing as tiny white moving specks).
Natural Habitat
Indoor environments with high humidity, kitchens, pantries, and damp areas with organic material or fungal growth.
Diet & Feeding
Primarily feeds on mold, fungi, and products with high protein/fat content like cheese, dried meats, nuts, and seeds.
Behavior Patterns
They reproduce rapidly in humid conditions. They do not bite humans or animals but congregate in large numbers where 'mite dust' (accumulated mites and waste) can be seen.
Risks & Benefits
Generally harmless to humans but can cause allergic reactions (dermatitis or respiratory issues) in sensitive individuals; they are considered a nuisance pest that contaminates stored food.
Identified on: 4/13/2026