Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Order Psocodea, Family Liposcelididae

Size: 1mm - 2mm

Booklouse

Natural Habitat

High-humidity indoor environments such as libraries, kitchens, bathrooms, under wallpaper, or inside stored grains.

Diet & Feeding

Feeds primarily on microscopic mold, fungi, algae, and starchy organic matter like book bindings or wallpaper paste.

Behavior Patterns

Fast-running, wingless insects that thrive in damp conditions; they reproduce rapidly but are generally secretive and avoid light.

Risks & Benefits

They do not bite or transmit diseases to humans but can be a nuisance and potentially damage paper goods or contaminate stored food when populations are high.

Identified on: 1/11/2026