
Community identification
Mold Mite (Grain Mite)
Tyrophagus putrescentiae
- Order & Family
- Sarcoptiformes: Acaridae
- Size
- 0.3 to 0.45 mm (effectively microscopic)
Natural Habitat
Damp environments with food high in protein or fat, such as food pantries, grains, cheese, and moldy organic matter.
Diet & Feeding
Fungi, mold spores, and organic food debris high in fat and protein.
Behavior Patterns
They reproduce rapidly in humid conditions. They are often noticed as a 'moving dust' on surfaces when populations explode.
Risks & Benefits
They do not bite humans or pets, but can cause 'grocer's itch' (dermatitis) and respiratory allergies in sensitive individuals. They contaminate food supplies.