Booklouse
Scientific Name: Liposcelis spp.
Order & Family: Psocodea: Liposcelididae
Size: 1 - 2 mm

Natural Habitat
Damp, warm areas with high humidity, often found in libraries, kitchens, bathrooms, or around stored paper and grains.
Diet & Feeding
Feed on microscopic fungus, mold, starch in book bindings, and organic debris.
Behavior Patterns
Photophobic and moisture-loving; they reproduce rapidly in humid conditions and are often seen scurrying in a jerky motion.
Risks & Benefits
They do not bite humans or transmit disease, but are considered a nuisance pest that can indicate high humidity issues or contaminate stored food products.
Identified on: 1/13/2026