Booklouse (or Psocid)
Scientific Name: Liposcelis spp.
Order & Family: Order Psocodea, Family Liposcelididae
Size: 1 to 2 millimeters in length
Natural Habitat
Damp, warm environments with high humidity; often found in books, pantries, or under wallpaper.
Diet & Feeding
Microscopic fungi, mold, starch, and organic detritus.
Behavior Patterns
Fast-moving and light-avoiding insects that prefer high-moisture conditions to prevent desiccation.
Risks & Benefits
Harmless to humans and pets as they do not bite or sting; primarily a nuisance pest that indicates high indoor humidity or mold issues.
Identified on: 12/23/2025