Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes: Acaridae

Size: 0.3 to 0.5 mm (microscopic)

Mold Mite

Natural Habitat

High humidity environments, kitchens, bathrooms, damp storage areas, and bird nests.

Diet & Feeding

Fungi, organic debris, high-protein/fatty foods, and yeast.

Behavior Patterns

Rapid reproduction in damp conditions; they can live in large colonies and are often noticed as a fine white or brownish dust that appears to move.

Risks & Benefits

Potential to cause skin irritation (grocer's itch) or asthma through inhalation of allergens; no physical harm to structure but indicates a moisture or mold problem.

Identified on: 1/5/2026