Mold mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes, Acaridae

Size: 0.3–0.45 mm (extremely small and difficult to see individually without magnification)

Mold mite

Natural Habitat

Damp, high-humidity environments rich in fungi, including kitchens, bathrooms, and stored products.

Diet & Feeding

Primarily feeds on mold, fungi, and organic matter high in fat or protein (e.g., grains, dried fruit, seeds, and cheese).

Behavior Patterns

They exhibit a rapid life cycle under warm, humid conditions (as short as 1-3 weeks). When populations explode, they appear as a moving 'dust' or white film over surfaces.

Risks & Benefits

Risks: They can contaminate food and cause allergic reactions (dermatitis or respiratory issues) in sensitive individuals. Benefits: They serve as decomposers in the ecosystem and can act as food for other predatory mites.

Identified on: 4/18/2026