Booklice
Scientific Name: Psocoptera (order)
Order & Family: Order: Psocoptera; Family: various (often Liposcelididae)
Size: 1mm - 2mm (roughly the size of a pinhead)
Natural Habitat
Humid indoor environments, especially near paper, books, furniture, damp wood, and starchy surfaces.
Diet & Feeding
Microscopic fungi, mold, mildew, starch-based glues (book bindings), and wallpaper paste.
Behavior Patterns
They prefer dark, damp areas with high humidity. They are fast-moving but do not fly, and their presence usually indicates a moisture or mold problem.
Risks & Benefits
They are harmless to humans and pets as they do not bite or transmit disease. However, they can damage old books or contaminate dry food items through their presence; they serve as an indicator that humidity levels are too high.
Identified on: 3/5/2026