Booklouse

Natural Habitat

Damp or humid indoor environments with high moisture, often found in books, pantries, wallpaper, and areas with mold growth.

Diet & Feeding

Microscopic mold, fungi, algae, and organic starches such as book glue or grain paste.

Behavior Patterns

Scavengers that thrive in high humidity; they do not fly and are often found in large numbers where mold is present.

Risks & Benefits

They do not bite humans or pets and are not known to transmit diseases; however, they can be nuisance pests and their presence indicates a moisture or mold problem.

Identified on: 1/10/2026