Booklice

Scientific Name: Liposcelis sp.

Order & Family: Order: Psocodea, Family: Liposcelididae

Size: 1 to 2 mm in length

Booklice

Natural Habitat

Damp, warm environments with high humidity such as basements, crawl spaces, and areas near plumbing leaks.

Diet & Feeding

Feeds on microscopic mold, fungi, algae, and organic starches like book bindings or wallpaper paste.

Behavior Patterns

Active year-round in humid indoor environments; they do not bite or sting but are prone to rapid population growth in damp conditions.

Risks & Benefits

Generally harmless to humans and pets, but an infestation can indicate a moisture or mold problem and they can damage sensitive paper materials.

Identified on: 12/27/2025