Booklouse

Natural Habitat

High humidity environments with access to mold or starch, such as damp books, wallpaper, pantries, and carpets.

Diet & Feeding

Microscopic fungi, mold, mildew, starch-based glues, and organic grains.

Behavior Patterns

Fast-running, wingless insects that thrive in humid conditions; they undergo incomplete metamorphosis and can reproduce quickly in moist environments.

Risks & Benefits

Generally harmless to humans and pets as they do not bite or spread disease; however, they can cause minor damage to books and food stores and may indicate a moisture problem in the home.

Identified on: 12/30/2025