Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Order: Psocodea, Family: Liposcelididae

Size: 1 - 2 mm in length

Booklouse

Natural Habitat

Commonly found in damp, warm buildings, specifically near books, paper, wallpaper paste, and stored grains

Diet & Feeding

Feed primarily on microscopic mold, fungi, starches, and organic debris

Behavior Patterns

Fast-running, wingless insects that thrive in high humidity; they reproduce rapidly in moist conditions through hemimetabolous metamorphosis

Risks & Benefits

Harmless to humans and pets, as they do not bite or spread disease, but can be a nuisance and may indicate a moisture or mold problem within the home

Identified on: 2/4/2026