Mold Mite

Scientific Name: Tyrophagus putrescentiae

Order & Family: Sarcoptiformes: Acaridae

Size: 0.3–0.45 mm

Mold Mite

Natural Habitat

High humidity environments with presence of mold or fungi, including pantries, damp basements, and stored grain facilities.

Diet & Feeding

Primarily feeds on mold, fungi, and sometimes high-protein or high-fat stored food products like cheese, nuts, and seeds.

Behavior Patterns

They reproduce rapidly in humid conditions and can form large, dust-like colonies; they move slowly and often hitchhike on other insects for dispersal.

Risks & Benefits

Benefits the ecosystem by breaking down organic matter but acts as a pest in homes, causing spoilage of food and potentially triggering allergic reactions or dermatitis in humans.

Identified on: 5/26/2026