Booklouse

Natural Habitat

Damp, warm, and dark environments; often found in books, stored food products, furniture, and damp walls.

Diet & Feeding

Feeds on microscopic molds, fungi, starches, glues in book bindings, stored grain products, and other organic debris.

Behavior Patterns

Nocturnal and elusive. They tend to hide in crevices and prefer high humidity. They are not strong flyers and move by walking or scurrying.

Risks & Benefits

Generally harmless to humans and do not bite or transmit diseases. They can become a nuisance in homes, especially in areas with high humidity, by damaging books, papers, and stored food products. Their presence can indicate a moisture problem in a building. They are not known for any significant benefits to the ecosystem in a domestic setting.

Identified on: 10/4/2025