Booklouse

Natural Habitat

Damp, warm environments with high humidity, often found in libraries, bathrooms, kitchens, or under wallpaper.

Diet & Feeding

Microscopic fungi, mold, mildew, starch, and organic debris found in household dust or book bindings.

Behavior Patterns

Light-avoiding and fast-moving; they do not fly and rely on high humidity to survive. They reproduce parthenogenetically in many species.

Risks & Benefits

Harmless to humans and pets as they do not bite or transmit disease, but can be a nuisance and may damage starchy materials or indicate a moisture problem.

Identified on: 1/8/2026