Booklice

Scientific Name: Liposcelis spp.

Order & Family: Psocodea: Liposcelididae

Size: 1 to 2 mm in length

Booklice

Natural Habitat

Humid indoor environments, pantries, old books, wallpaper, and damp furniture.

Diet & Feeding

Microscopic fungi, mold, mildew, starch-based glues, and organic grain dust.

Behavior Patterns

They are wingless, fast-running insects that thrive in high humidity and are often more active at night.

Risks & Benefits

They do not bite humans or pets and are not known to transmit diseases, but their presence indicates a moisture issue and they can contaminate stored food products.

Identified on: 12/27/2025