Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Psocodea: Liposcelididae

Size: 1 mm to 2 mm

Booklouse

Natural Habitat

Damp, warm areas with high humidity, often found in books, pantries, and near moldy indoor surfaces

Diet & Feeding

Feeds on microscopic mold, fungi, starches, and organic debris

Behavior Patterns

Fast-moving, wingless insects that thrive in humid environments and are often seen in groups near moisture sources

Risks & Benefits

Harmless to humans and pets as they do not bite or sting, but can indicate underlying moisture and mold issues in the home

Identified on: 12/26/2025