Booklice (Psocid)
Scientific Name: Liposcelis spp.
Order & Family: Psocodea: Liposcelididae
Size: 1mm to 2mm in length

Natural Habitat
High-humidity environments, pantries, damp books, under wallpaper, or around leaky plumbing.
Diet & Feeding
Microscopic mold, fungi, algae, starches, and organic debris found in household items.
Behavior Patterns
They prefer dark, damp areas and are most active in warm, humid months. They do not fly or bite, but move rapidly when disturbed.
Risks & Benefits
They are harmless to humans and pets as they do not bite or spread disease. However, they are considered a nuisance pest and an indicator of high humidity or mold issues in a home.
Identified on: 1/1/2026