Bug Identifier
Mold Mite (Grain Mite)
Community identification

Mold Mite (Grain Mite)

Tyrophagus putrescentiae

Order & Family
Sarcoptiformes: Acaridae
Size
0.3 to 0.45 mm (effectively microscopic)
See this bug in the Encyclopedia

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.