Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes, Acaridae

Size: 0.3 to 0.5 mm in length

Mold Mite

Natural Habitat

Humid environments with fungi or mold growth, including damp warehouses, pantries, and decaying organic matter.

Diet & Feeding

Feed primarily on mold and fungi, but also consume high-protein foods like cheese, seeds, and grains.

Behavior Patterns

Rapid reproduction in high-humidity conditions; they exhibit a phoretic stage (hypopus) to hitchhike on larger insects for dispersal.

Risks & Benefits

Can cause allergic reactions or dermatitis in humans (grocer's itch) and spoil stored food products, but they also contribute to the decomposition of organic material.

Identified on: 6/3/2026