Community identification
Booklouse (psocid)
Liposcelis spp.
- Order & Family
- Psocodea; Liposcelididae
- Size
- About 0.5–2 mm long; the pictured insect appears within this range.
Natural Habitat
Warm, humid indoor areas, especially walls, cupboards, books, stored paper, and food-storage spaces.
Diet & Feeding
Feeds mainly on microscopic mold, fungi, algae, starches, and organic residues rather than blood or living tissue.
Behavior Patterns
Wingless, soft-bodied, and slow-moving; populations increase in damp conditions and may reproduce rapidly, often without mating.
Risks & Benefits
Harmless to people and pets and does not bite or transmit disease. Large numbers indicate excess moisture and can damage or contaminate stored paper and food products.