Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Psocodea, Liposcelididae

Size: 1 - 2 mm

Booklouse

Natural Habitat

Damp, warm areas with high humidity, such as bathrooms, kitchens, behind wallpaper, and among stored books or grain.

Diet & Feeding

Starchy materials, mold, fungi, and organic debris found in household items.

Behavior Patterns

They are wingless, fast-moving insects that thrive in humid environments. They do not undergo a larval stage and are often found in clusters.

Risks & Benefits

Harmless to humans and pets as they do not bite or spread disease; however, they can be a nuisance and may damage starchy materials like book bindings or food stores.

Identified on: 12/31/2025